21262512

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{367}}^1$

素因数の和:466

約数の個数: 80

約数和(自身を含む): 59139072

約数和(自身を除く): 37876560

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 71, 102, 136, 142, 204, 213, 272, 284, 367, 408, 426, 568, 734, 816, 852, 1101, 1136, 1207, 1468, 1704, 2202, 2414, 2936, 3408, 3621, 4404, 4828, 5872, 6239, 7242, 8808, 9656, 12478, 14484, 17616, 18717, 19312, 24956, 26057, 28968, 37434, 49912, 52114, 57936, 74868, 78171, 99824, 104228, 149736, 156342, 208456, 299472, 312684, 416912, 442969, 625368, 885938, 1250736, 1328907, 1771876, 2657814, 3543752, 5315628, 7087504, 10631256, 21262512]

約数ペア:

[(1, 21262512), (2, 10631256), (3, 7087504), (4, 5315628), (6, 3543752), (8, 2657814), (12, 1771876), (16, 1328907), (17, 1250736), (24, 885938), (34, 625368), (48, 442969), (51, 416912), (68, 312684), (71, 299472), (102, 208456), (136, 156342), (142, 149736), (204, 104228), (213, 99824), (272, 78171), (284, 74868), (367, 57936), (408, 52114), (426, 49912), (568, 37434), (734, 28968), (816, 26057), (852, 24956), (1101, 19312), (1136, 18717), (1207, 17616), (1468, 14484), (1704, 12478), (2202, 9656), (2414, 8808), (2936, 7242), (3408, 6239), (3621, 5872), (4404, 4828)]