21108464

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{101483}}^1$

素因数の和:101504

約数の個数: 20

約数和(自身を含む): 44044056

約数和(自身を除く): 22935592

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 101483, 202966, 405932, 811864, 1319279, 1623728, 2638558, 5277116, 10554232, 21108464]

約数ペア:

[(1, 21108464), (2, 10554232), (4, 5277116), (8, 2638558), (13, 1623728), (16, 1319279), (26, 811864), (52, 405932), (104, 202966), (208, 101483)]