21149700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1$

素因数の和:87

約数の個数: 288

約数和(自身を含む): 78744960

約数和(自身を除く): 57595260

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 17, 20, 22, 25, 26, 29, 30, 33, 34, 39, 44, 50, 51, 52, 55, 58, 60, 65, 66, 68, 75, 78, 85, 87, 100, 102, 110, 116, 130, 132, 143, 145, 150, 156, 165, 170, 174, 187, 195, 204, 220, 221, 255, 260, 275, 286, 290, 300, 319, 325, 330, 340, 348, 374, 377, 390, 425, 429, 435, 442, 493, 510, 550, 561, 572, 580, 638, 650, 660, 663, 715, 725, 748, 754, 780, 825, 850, 858, 870, 884, 935, 957, 975, 986, 1020, 1100, 1105, 1122, 1131, 1275, 1276, 1300, 1326, 1430, 1450, 1479, 1508, 1595, 1650, 1700, 1716, 1740, 1870, 1885, 1914, 1950, 1972, 2145, 2175, 2210, 2244, 2262, 2431, 2465, 2550, 2652, 2805, 2860, 2900, 2958, 3190, 3300, 3315, 3575, 3740, 3770, 3828, 3900, 4147, 4290, 4350, 4420, 4524, 4675, 4785, 4862, 4930, 5100, 5423, 5525, 5610, 5655, 5916, 6380, 6409, 6630, 7150, 7293, 7395, 7540, 7975, 8294, 8580, 8700, 9350, 9425, 9570, 9724, 9860, 10725, 10846, 11050, 11220, 11310, 12155, 12325, 12441, 12818, 13260, 14025, 14300, 14586, 14790, 15950, 16269, 16575, 16588, 18700, 18850, 19140, 19227, 20735, 21450, 21692, 22100, 22620, 23925, 24310, 24650, 24882, 25636, 27115, 28050, 28275, 29172, 29580, 31900, 32045, 32538, 33150, 36465, 36975, 37700, 38454, 41470, 42900, 47850, 48620, 49300, 49764, 54230, 56100, 56550, 60775, 62205, 64090, 65076, 66300, 70499, 72930, 73950, 76908, 81345, 82940, 95700, 96135, 103675, 108460, 113100, 121550, 124410, 128180, 135575, 140998, 145860, 147900, 160225, 162690, 182325, 192270, 207350, 211497, 243100, 248820, 271150, 281996, 311025, 320450, 325380, 352495, 364650, 384540, 406725, 414700, 422994, 480675, 542300, 622050, 640900, 704990, 729300, 813450, 845988, 961350, 1057485, 1244100, 1409980, 1626900, 1762475, 1922700, 2114970, 3524950, 4229940, 5287425, 7049900, 10574850, 21149700]

約数ペア:

[(1, 21149700), (2, 10574850), (3, 7049900), (4, 5287425), (5, 4229940), (6, 3524950), (10, 2114970), (11, 1922700), (12, 1762475), (13, 1626900), (15, 1409980), (17, 1244100), (20, 1057485), (22, 961350), (25, 845988), (26, 813450), (29, 729300), (30, 704990), (33, 640900), (34, 622050), (39, 542300), (44, 480675), (50, 422994), (51, 414700), (52, 406725), (55, 384540), (58, 364650), (60, 352495), (65, 325380), (66, 320450), (68, 311025), (75, 281996), (78, 271150), (85, 248820), (87, 243100), (100, 211497), (102, 207350), (110, 192270), (116, 182325), (130, 162690), (132, 160225), (143, 147900), (145, 145860), (150, 140998), (156, 135575), (165, 128180), (170, 124410), (174, 121550), (187, 113100), (195, 108460), (204, 103675), (220, 96135), (221, 95700), (255, 82940), (260, 81345), (275, 76908), (286, 73950), (290, 72930), (300, 70499), (319, 66300), (325, 65076), (330, 64090), (340, 62205), (348, 60775), (374, 56550), (377, 56100), (390, 54230), (425, 49764), (429, 49300), (435, 48620), (442, 47850), (493, 42900), (510, 41470), (550, 38454), (561, 37700), (572, 36975), (580, 36465), (638, 33150), (650, 32538), (660, 32045), (663, 31900), (715, 29580), (725, 29172), (748, 28275), (754, 28050), (780, 27115), (825, 25636), (850, 24882), (858, 24650), (870, 24310), (884, 23925), (935, 22620), (957, 22100), (975, 21692), (986, 21450), (1020, 20735), (1100, 19227), (1105, 19140), (1122, 18850), (1131, 18700), (1275, 16588), (1276, 16575), (1300, 16269), (1326, 15950), (1430, 14790), (1450, 14586), (1479, 14300), (1508, 14025), (1595, 13260), (1650, 12818), (1700, 12441), (1716, 12325), (1740, 12155), (1870, 11310), (1885, 11220), (1914, 11050), (1950, 10846), (1972, 10725), (2145, 9860), (2175, 9724), (2210, 9570), (2244, 9425), (2262, 9350), (2431, 8700), (2465, 8580), (2550, 8294), (2652, 7975), (2805, 7540), (2860, 7395), (2900, 7293), (2958, 7150), (3190, 6630), (3300, 6409), (3315, 6380), (3575, 5916), (3740, 5655), (3770, 5610), (3828, 5525), (3900, 5423), (4147, 5100), (4290, 4930), (4350, 4862), (4420, 4785), (4524, 4675)]