21776095

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{1409}}^1$

素因数の和:1706

約数の個数: 16

約数和(自身を含む): 28628640

約数和(自身を除く): 6852545

約数列:

[1, 5, 11, 55, 281, 1405, 1409, 3091, 7045, 15455, 15499, 77495, 395929, 1979645, 4355219, 21776095]

約数ペア:

[(1, 21776095), (5, 4355219), (11, 1979645), (55, 395929), (281, 77495), (1405, 15499), (1409, 15455), (3091, 7045)]