21524464

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{103483}}^1$

素因数の和:103504

約数の個数: 20

約数和(自身を含む): 44912056

約数和(自身を除く): 23387592

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 103483, 206966, 413932, 827864, 1345279, 1655728, 2690558, 5381116, 10762232, 21524464]

約数ペア:

[(1, 21524464), (2, 10762232), (4, 5381116), (8, 2690558), (13, 1655728), (16, 1345279), (26, 827864), (52, 413932), (104, 206966), (208, 103483)]