21511202

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1\times {\mathrm{587}}^1$

素因数の和:913

約数の個数: 16

約数和(自身を含む): 32895072

約数和(自身を除く): 11383870

約数列:

[1, 2, 73, 146, 251, 502, 587, 1174, 18323, 36646, 42851, 85702, 147337, 294674, 10755601, 21511202]

約数ペア:

[(1, 21511202), (2, 10755601), (73, 294674), (146, 147337), (251, 85702), (502, 42851), (587, 36646), (1174, 18323)]