21927731

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{577}}^1$

素因数の和:734

約数の個数: 16

約数和(自身を含む): 25801920

約数和(自身を除く): 3874189

約数列:

[1, 7, 61, 89, 427, 577, 623, 4039, 5429, 35197, 38003, 51353, 246379, 359471, 3132533, 21927731]

約数ペア:

[(1, 21927731), (7, 3132533), (61, 359471), (89, 246379), (427, 51353), (577, 38003), (623, 35197), (4039, 5429)]