21381634

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{2557}}^1$

素因数の和:2709

約数の個数: 16

約数和(自身を含む): 33243768

約数和(自身を除く): 11862134

約数列:

[1, 2, 37, 74, 113, 226, 2557, 4181, 5114, 8362, 94609, 189218, 288941, 577882, 10690817, 21381634]

約数ペア:

[(1, 21381634), (2, 10690817), (37, 577882), (74, 288941), (113, 189218), (226, 94609), (2557, 8362), (4181, 5114)]