21542224

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{122399}}^1$

素因数の和:122418

約数の個数: 20

約数和(自身を含む): 45532800

約数和(自身を除く): 23990576

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 122399, 244798, 489596, 979192, 1346389, 1958384, 2692778, 5385556, 10771112, 21542224]

約数ペア:

[(1, 21542224), (2, 10771112), (4, 5385556), (8, 2692778), (11, 1958384), (16, 1346389), (22, 979192), (44, 489596), (88, 244798), (176, 122399)]