21430882

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{3881}}^1$

素因数の和:4145

約数の個数: 16

約数和(自身を含む): 35217504

約数和(自身を除く): 13786622

約数列:

[1, 2, 11, 22, 251, 502, 2761, 3881, 5522, 7762, 42691, 85382, 974131, 1948262, 10715441, 21430882]

約数ペア:

[(1, 21430882), (2, 10715441), (11, 1948262), (22, 974131), (251, 85382), (502, 42691), (2761, 7762), (3881, 5522)]