21104772

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{2293}}^1$

素因数の和:2372

約数の個数: 48

約数和(自身を含む): 53954880

約数和(自身を除く): 32850108

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 59, 78, 118, 156, 177, 236, 354, 708, 767, 1534, 2293, 2301, 3068, 4586, 4602, 6879, 9172, 9204, 13758, 27516, 29809, 59618, 89427, 119236, 135287, 178854, 270574, 357708, 405861, 541148, 811722, 1623444, 1758731, 3517462, 5276193, 7034924, 10552386, 21104772]

約数ペア:

[(1, 21104772), (2, 10552386), (3, 7034924), (4, 5276193), (6, 3517462), (12, 1758731), (13, 1623444), (26, 811722), (39, 541148), (52, 405861), (59, 357708), (78, 270574), (118, 178854), (156, 135287), (177, 119236), (236, 89427), (354, 59618), (708, 29809), (767, 27516), (1534, 13758), (2293, 9204), (2301, 9172), (3068, 6879), (4586, 4602)]