21881246

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1\times {\mathrm{727}}^1$

素因数の和:979

約数の個数: 16

約数和(自身を含む): 33415200

約数和(自身を除く): 11533954

約数列:

[1, 2, 101, 149, 202, 298, 727, 1454, 15049, 30098, 73427, 108323, 146854, 216646, 10940623, 21881246]

約数ペア:

[(1, 21881246), (2, 10940623), (101, 216646), (149, 146854), (202, 108323), (298, 73427), (727, 30098), (1454, 15049)]