21108152

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{11939}}^1$

素因数の和:11975

約数の個数: 32

約数和(自身を含む): 45133200

約数和(自身を除く): 24025048

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 11939, 23878, 47756, 95512, 155207, 202963, 310414, 405926, 620828, 811852, 1241656, 1623704, 2638519, 5277038, 10554076, 21108152]

約数ペア:

[(1, 21108152), (2, 10554076), (4, 5277038), (8, 2638519), (13, 1623704), (17, 1241656), (26, 811852), (34, 620828), (52, 405926), (68, 310414), (104, 202963), (136, 155207), (221, 95512), (442, 47756), (884, 23878), (1768, 11939)]