21029580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:101

約数の個数: 288

約数和(自身を含む): 80720640

約数和(自身を除く): 59691060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 19, 20, 22, 26, 30, 33, 36, 38, 39, 43, 44, 45, 52, 55, 57, 60, 65, 66, 76, 78, 86, 90, 95, 99, 110, 114, 117, 129, 130, 132, 143, 156, 165, 171, 172, 180, 190, 195, 198, 209, 215, 220, 228, 234, 247, 258, 260, 285, 286, 330, 342, 380, 387, 390, 396, 418, 429, 430, 468, 473, 494, 495, 516, 559, 570, 572, 585, 627, 645, 660, 684, 715, 741, 774, 780, 817, 836, 855, 858, 860, 946, 988, 990, 1045, 1118, 1140, 1170, 1235, 1254, 1287, 1290, 1419, 1430, 1482, 1548, 1634, 1677, 1710, 1716, 1881, 1892, 1935, 1980, 2090, 2145, 2223, 2236, 2340, 2365, 2451, 2470, 2508, 2574, 2580, 2717, 2795, 2838, 2860, 2964, 3135, 3268, 3354, 3420, 3705, 3762, 3870, 4085, 4180, 4257, 4290, 4446, 4730, 4902, 4940, 5031, 5148, 5434, 5590, 5676, 6149, 6270, 6435, 6708, 7095, 7353, 7410, 7524, 7740, 8151, 8170, 8385, 8514, 8580, 8892, 8987, 9405, 9460, 9804, 10062, 10621, 10868, 11115, 11180, 12255, 12298, 12540, 12870, 13585, 14190, 14706, 14820, 16302, 16340, 16770, 17028, 17974, 18447, 18810, 20124, 21242, 21285, 22230, 24453, 24510, 24596, 25155, 25740, 26961, 27170, 28380, 29412, 30745, 31863, 32604, 33540, 35948, 36765, 36894, 37620, 40755, 42484, 42570, 44460, 44935, 48906, 49020, 50310, 53105, 53922, 54340, 55341, 61490, 63726, 73530, 73788, 80883, 81510, 85140, 89870, 92235, 95589, 97812, 100620, 106210, 107844, 110682, 116831, 122265, 122980, 127452, 134805, 147060, 159315, 161766, 163020, 179740, 184470, 191178, 212420, 221364, 233662, 244530, 269610, 276705, 318630, 323532, 350493, 368940, 382356, 404415, 467324, 477945, 489060, 539220, 553410, 584155, 637260, 700986, 808830, 955890, 1051479, 1106820, 1168310, 1401972, 1617660, 1752465, 1911780, 2102958, 2336620, 3504930, 4205916, 5257395, 7009860, 10514790, 21029580]

約数ペア:

[(1, 21029580), (2, 10514790), (3, 7009860), (4, 5257395), (5, 4205916), (6, 3504930), (9, 2336620), (10, 2102958), (11, 1911780), (12, 1752465), (13, 1617660), (15, 1401972), (18, 1168310), (19, 1106820), (20, 1051479), (22, 955890), (26, 808830), (30, 700986), (33, 637260), (36, 584155), (38, 553410), (39, 539220), (43, 489060), (44, 477945), (45, 467324), (52, 404415), (55, 382356), (57, 368940), (60, 350493), (65, 323532), (66, 318630), (76, 276705), (78, 269610), (86, 244530), (90, 233662), (95, 221364), (99, 212420), (110, 191178), (114, 184470), (117, 179740), (129, 163020), (130, 161766), (132, 159315), (143, 147060), (156, 134805), (165, 127452), (171, 122980), (172, 122265), (180, 116831), (190, 110682), (195, 107844), (198, 106210), (209, 100620), (215, 97812), (220, 95589), (228, 92235), (234, 89870), (247, 85140), (258, 81510), (260, 80883), (285, 73788), (286, 73530), (330, 63726), (342, 61490), (380, 55341), (387, 54340), (390, 53922), (396, 53105), (418, 50310), (429, 49020), (430, 48906), (468, 44935), (473, 44460), (494, 42570), (495, 42484), (516, 40755), (559, 37620), (570, 36894), (572, 36765), (585, 35948), (627, 33540), (645, 32604), (660, 31863), (684, 30745), (715, 29412), (741, 28380), (774, 27170), (780, 26961), (817, 25740), (836, 25155), (855, 24596), (858, 24510), (860, 24453), (946, 22230), (988, 21285), (990, 21242), (1045, 20124), (1118, 18810), (1140, 18447), (1170, 17974), (1235, 17028), (1254, 16770), (1287, 16340), (1290, 16302), (1419, 14820), (1430, 14706), (1482, 14190), (1548, 13585), (1634, 12870), (1677, 12540), (1710, 12298), (1716, 12255), (1881, 11180), (1892, 11115), (1935, 10868), (1980, 10621), (2090, 10062), (2145, 9804), (2223, 9460), (2236, 9405), (2340, 8987), (2365, 8892), (2451, 8580), (2470, 8514), (2508, 8385), (2574, 8170), (2580, 8151), (2717, 7740), (2795, 7524), (2838, 7410), (2860, 7353), (2964, 7095), (3135, 6708), (3268, 6435), (3354, 6270), (3420, 6149), (3705, 5676), (3762, 5590), (3870, 5434), (4085, 5148), (4180, 5031), (4257, 4940), (4290, 4902), (4446, 4730)]