21389236470

素因数分解:

$2^1\times 3^2\times 5^1\times 7^4\times {\mathrm{31}}^2\times {\mathrm{103}}^1$

素因数の和:206

約数の個数: 360

約数和(自身を含む): 67687980048

約数和(自身を除く): 46298743578

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 31, 35, 42, 45, 49, 62, 63, 70, 90, 93, 98, 103, 105, 126, 147, 155, 186, 206, 210, 217, 245, 279, 294, 309, 310, 315, 343, 434, 441, 465, 490, 515, 558, 618, 630, 651, 686, 721, 735, 882, 927, 930, 961, 1029, 1030, 1085, 1302, 1395, 1442, 1470, 1519, 1545, 1715, 1854, 1922, 1953, 2058, 2163, 2170, 2205, 2401, 2790, 2883, 3038, 3087, 3090, 3193, 3255, 3430, 3605, 3906, 4326, 4410, 4557, 4635, 4802, 4805, 5047, 5145, 5766, 6174, 6386, 6489, 6510, 6727, 7203, 7210, 7595, 8649, 9114, 9270, 9579, 9610, 9765, 10094, 10290, 10633, 10815, 12005, 12978, 13454, 13671, 14406, 14415, 15141, 15190, 15435, 15965, 17298, 19158, 19530, 20181, 21266, 21609, 21630, 22351, 22785, 24010, 25235, 27342, 28737, 28830, 30282, 30870, 31899, 31930, 32445, 33635, 35329, 36015, 40362, 43218, 43245, 44702, 45423, 45570, 47089, 47895, 50470, 53165, 57474, 60543, 63798, 64890, 67053, 67270, 68355, 70658, 72030, 74431, 75705, 86490, 90846, 94178, 95697, 95790, 98983, 100905, 105987, 106330, 108045, 111755, 121086, 134106, 136710, 141267, 143685, 148862, 151410, 156457, 159495, 176645, 191394, 197966, 201159, 201810, 211974, 216090, 223293, 223510, 227115, 235445, 247303, 282534, 287370, 296949, 302715, 312914, 317961, 318990, 329623, 335265, 353290, 372155, 402318, 423801, 446586, 454230, 469371, 470890, 478485, 494606, 494915, 529935, 593898, 605430, 635922, 659246, 669879, 670530, 692881, 706335, 741909, 744310, 782285, 847602, 890847, 938742, 956970, 988869, 989830, 1005795, 1059870, 1095199, 1116465, 1236515, 1339758, 1385762, 1408113, 1412670, 1483818, 1484745, 1564570, 1589805, 1648115, 1781694, 1977738, 2011590, 2078643, 2119005, 2190398, 2225727, 2232930, 2307361, 2346855, 2473030, 2816226, 2966607, 2969490, 3179610, 3285597, 3296230, 3349395, 3464405, 3709545, 4157286, 4238010, 4451454, 4454235, 4614722, 4693710, 4850167, 4944345, 5475995, 5933214, 6235929, 6571194, 6698790, 6922083, 6928810, 7040565, 7419090, 7666393, 8908470, 9700334, 9856791, 9888690, 10393215, 10951990, 11128635, 11536805, 12471858, 13844166, 14081130, 14550501, 14833035, 15332786, 16427985, 19713582, 20766249, 20786430, 22257270, 22999179, 23073610, 24250835, 29101002, 29666070, 31179645, 32855970, 33951169, 34610415, 38331965, 41532498, 43651503, 45998358, 48501670, 49283955, 62359290, 67902338, 68997537, 69220830, 72752505, 76663930, 87303006, 98567910, 101853507, 103831245, 114995895, 137995074, 145505010, 169755845, 203707014, 207662490, 218257515, 229991790, 237658183, 305560521, 339511690, 344987685, 436515030, 475316366, 509267535, 611121042, 689975370, 712974549, 1018535070, 1188290915, 1425949098, 1527802605, 2138923647, 2376581830, 3055605210, 3564872745, 4277847294, 7129745490, 10694618235, 21389236470]

約数ペア:

[(1, 21389236470), (2, 10694618235), (3, 7129745490), (5, 4277847294), (6, 3564872745), (7, 3055605210), (9, 2376581830), (10, 2138923647), (14, 1527802605), (15, 1425949098), (18, 1188290915), (21, 1018535070), (30, 712974549), (31, 689975370), (35, 611121042), (42, 509267535), (45, 475316366), (49, 436515030), (62, 344987685), (63, 339511690), (70, 305560521), (90, 237658183), (93, 229991790), (98, 218257515), (103, 207662490), (105, 203707014), (126, 169755845), (147, 145505010), (155, 137995074), (186, 114995895), (206, 103831245), (210, 101853507), (217, 98567910), (245, 87303006), (279, 76663930), (294, 72752505), (309, 69220830), (310, 68997537), (315, 67902338), (343, 62359290), (434, 49283955), (441, 48501670), (465, 45998358), (490, 43651503), (515, 41532498), (558, 38331965), (618, 34610415), (630, 33951169), (651, 32855970), (686, 31179645), (721, 29666070), (735, 29101002), (882, 24250835), (927, 23073610), (930, 22999179), (961, 22257270), (1029, 20786430), (1030, 20766249), (1085, 19713582), (1302, 16427985), (1395, 15332786), (1442, 14833035), (1470, 14550501), (1519, 14081130), (1545, 13844166), (1715, 12471858), (1854, 11536805), (1922, 11128635), (1953, 10951990), (2058, 10393215), (2163, 9888690), (2170, 9856791), (2205, 9700334), (2401, 8908470), (2790, 7666393), (2883, 7419090), (3038, 7040565), (3087, 6928810), (3090, 6922083), (3193, 6698790), (3255, 6571194), (3430, 6235929), (3605, 5933214), (3906, 5475995), (4326, 4944345), (4410, 4850167), (4557, 4693710), (4635, 4614722), (4802, 4454235), (4805, 4451454), (5047, 4238010), (5145, 4157286), (5766, 3709545), (6174, 3464405), (6386, 3349395), (6489, 3296230), (6510, 3285597), (6727, 3179610), (7203, 2969490), (7210, 2966607), (7595, 2816226), (8649, 2473030), (9114, 2346855), (9270, 2307361), (9579, 2232930), (9610, 2225727), (9765, 2190398), (10094, 2119005), (10290, 2078643), (10633, 2011590), (10815, 1977738), (12005, 1781694), (12978, 1648115), (13454, 1589805), (13671, 1564570), (14406, 1484745), (14415, 1483818), (15141, 1412670), (15190, 1408113), (15435, 1385762), (15965, 1339758), (17298, 1236515), (19158, 1116465), (19530, 1095199), (20181, 1059870), (21266, 1005795), (21609, 989830), (21630, 988869), (22351, 956970), (22785, 938742), (24010, 890847), (25235, 847602), (27342, 782285), (28737, 744310), (28830, 741909), (30282, 706335), (30870, 692881), (31899, 670530), (31930, 669879), (32445, 659246), (33635, 635922), (35329, 605430), (36015, 593898), (40362, 529935), (43218, 494915), (43245, 494606), (44702, 478485), (45423, 470890), (45570, 469371), (47089, 454230), (47895, 446586), (50470, 423801), (53165, 402318), (57474, 372155), (60543, 353290), (63798, 335265), (64890, 329623), (67053, 318990), (67270, 317961), (68355, 312914), (70658, 302715), (72030, 296949), (74431, 287370), (75705, 282534), (86490, 247303), (90846, 235445), (94178, 227115), (95697, 223510), (95790, 223293), (98983, 216090), (100905, 211974), (105987, 201810), (106330, 201159), (108045, 197966), (111755, 191394), (121086, 176645), (134106, 159495), (136710, 156457), (141267, 151410), (143685, 148862)]