21738316

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{175309}}^1$

素因数の和:175344

約数の個数: 12

約数和(自身を含む): 39269440

約数和(自身を除く): 17531124

約数列:

[1, 2, 4, 31, 62, 124, 175309, 350618, 701236, 5434579, 10869158, 21738316]

約数ペア:

[(1, 21738316), (2, 10869158), (4, 5434579), (31, 701236), (62, 350618), (124, 175309)]