21012101

素因数分解:

${\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{191}}^1$

素因数の和:412

約数の個数: 16

約数和(自身を含む): 23528448

約数和(自身を除く): 2516347

約数列:

[1, 11, 73, 137, 191, 803, 1507, 2101, 10001, 13943, 26167, 110011, 153373, 287837, 1910191, 21012101]

約数ペア:

[(1, 21012101), (11, 1910191), (73, 287837), (137, 153373), (191, 110011), (803, 26167), (1507, 13943), (2101, 10001)]