21175544

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{5503}}^1$

素因数の和:5559

約数の個数: 32

約数和(自身を含む): 43921920

約数和(自身を除く): 22746376

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 148, 296, 481, 962, 1924, 3848, 5503, 11006, 22012, 44024, 71539, 143078, 203611, 286156, 407222, 572312, 814444, 1628888, 2646943, 5293886, 10587772, 21175544]

約数ペア:

[(1, 21175544), (2, 10587772), (4, 5293886), (8, 2646943), (13, 1628888), (26, 814444), (37, 572312), (52, 407222), (74, 286156), (104, 203611), (148, 143078), (296, 71539), (481, 44024), (962, 22012), (1924, 11006), (3848, 5503)]