21722222

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1\times {\mathrm{677}}^1$

素因数の和:1003

約数の個数: 16

約数和(自身を含む): 33292512

約数和(自身を除く): 11570290

約数列:

[1, 2, 61, 122, 263, 526, 677, 1354, 16043, 32086, 41297, 82594, 178051, 356102, 10861111, 21722222]

約数ペア:

[(1, 21722222), (2, 10861111), (61, 356102), (122, 178051), (263, 82594), (526, 41297), (677, 32086), (1354, 16043)]