21291239653

素因数分解:

${\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{223}}^1\times {\mathrm{20113}}^1$

素因数の和:20484

約数の個数: 16

約数和(自身を含む): 22059104256

約数和(自身を除く): 767864603

約数列:

[1, 47, 101, 223, 4747, 10481, 20113, 22523, 945311, 1058581, 2031413, 4485199, 95476411, 210804353, 453005099, 21291239653]

約数ペア:

[(1, 21291239653), (47, 453005099), (101, 210804353), (223, 95476411), (4747, 4485199), (10481, 2031413), (20113, 1058581), (22523, 945311)]