21000992158

素因数分解:

$2^1\times {\mathrm{739}}^1\times {\mathrm{2441}}^1\times {\mathrm{5821}}^1$

素因数の和:9003

約数の個数: 16

約数和(自身を含む): 31562459280

約数和(自身を除く): 10561467122

約数列:

[1, 2, 739, 1478, 2441, 4882, 5821, 11642, 1803899, 3607798, 4301719, 8603438, 14209061, 28418122, 10500496079, 21000992158]

約数ペア:

[(1, 21000992158), (2, 10500496079), (739, 28418122), (1478, 14209061), (2441, 8603438), (4882, 4301719), (5821, 3607798), (11642, 1803899)]