21415977

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{1579}}^1$

素因数の和:1733

約数の個数: 24

約数和(自身を含む): 34014240

約数和(自身を除く): 12598263

約数列:

[1, 3, 9, 11, 33, 99, 137, 411, 1233, 1507, 1579, 4521, 4737, 13563, 14211, 17369, 52107, 156321, 216323, 648969, 1946907, 2379553, 7138659, 21415977]

約数ペア:

[(1, 21415977), (3, 7138659), (9, 2379553), (11, 1946907), (33, 648969), (99, 216323), (137, 156321), (411, 52107), (1233, 17369), (1507, 14211), (1579, 13563), (4521, 4737)]