21840951

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{4831}}^1$

素因数の和:4982

約数の個数: 16

約数和(自身を含む): 32007168

約数和(自身を除く): 10166217

約数列:

[1, 3, 11, 33, 137, 411, 1507, 4521, 4831, 14493, 53141, 159423, 661847, 1985541, 7280317, 21840951]

約数ペア:

[(1, 21840951), (3, 7280317), (11, 1985541), (33, 661847), (137, 159423), (411, 53141), (1507, 14493), (4521, 4831)]