13490421

素因数分解:

$3^1\times 7^1\times {\mathrm{569}}^1\times {\mathrm{1129}}^1$

素因数の和:1708

約数の個数: 16

約数和(自身を含む): 20611200

約数和(自身を除く): 7120779

約数列:

[1, 3, 7, 21, 569, 1129, 1707, 3387, 3983, 7903, 11949, 23709, 642401, 1927203, 4496807, 13490421]

約数ペア:

[(1, 13490421), (3, 4496807), (7, 1927203), (21, 642401), (569, 23709), (1129, 11949), (1707, 7903), (3387, 3983)]