21134570

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:215

約数の個数: 48

約数和(自身を含む): 41378688

約数和(自身を除く): 20244118

約数列:

[1, 2, 5, 10, 17, 34, 71, 85, 103, 142, 170, 206, 289, 355, 515, 578, 710, 1030, 1207, 1445, 1751, 2414, 2890, 3502, 6035, 7313, 8755, 12070, 14626, 17510, 20519, 29767, 36565, 41038, 59534, 73130, 102595, 124321, 148835, 205190, 248642, 297670, 621605, 1243210, 2113457, 4226914, 10567285, 21134570]

約数ペア:

[(1, 21134570), (2, 10567285), (5, 4226914), (10, 2113457), (17, 1243210), (34, 621605), (71, 297670), (85, 248642), (103, 205190), (142, 148835), (170, 124321), (206, 102595), (289, 73130), (355, 59534), (515, 41038), (578, 36565), (710, 29767), (1030, 20519), (1207, 17510), (1445, 14626), (1751, 12070), (2414, 8755), (2890, 7313), (3502, 6035)]