21091576

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2693}}^1$

素因数の和:2799

約数の個数: 32

約数和(自身を含む): 43642800

約数和(自身を除く): 22551224

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 89, 178, 356, 712, 979, 1958, 2693, 3916, 5386, 7832, 10772, 21544, 29623, 59246, 118492, 236984, 239677, 479354, 958708, 1917416, 2636447, 5272894, 10545788, 21091576]

約数ペア:

[(1, 21091576), (2, 10545788), (4, 5272894), (8, 2636447), (11, 1917416), (22, 958708), (44, 479354), (88, 239677), (89, 236984), (178, 118492), (356, 59246), (712, 29623), (979, 21544), (1958, 10772), (2693, 7832), (3916, 5386)]