21968705

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{3733}}^1$

素因数の和:3856

約数の個数: 16

約数和(自身を含む): 29035584

約数和(自身を除く): 7066879

約数列:

[1, 5, 11, 55, 107, 535, 1177, 3733, 5885, 18665, 41063, 205315, 399431, 1997155, 4393741, 21968705]

約数ペア:

[(1, 21968705), (5, 4393741), (11, 1997155), (55, 399431), (107, 205315), (535, 41063), (1177, 18665), (3733, 5885)]