20211520921

素因数分解:

${\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{1543}}^1\times {\mathrm{6101}}^1$

素因数の和:7776

約数の個数: 16

約数和(自身を含む): 21480992640

約数和(自身を除く): 1269471719

約数列:

[1, 19, 113, 1543, 2147, 6101, 29317, 115919, 174359, 689413, 3312821, 9413843, 13098847, 178863017, 1063764259, 20211520921]

約数ペア:

[(1, 20211520921), (19, 1063764259), (113, 178863017), (1543, 13098847), (2147, 9413843), (6101, 3312821), (29317, 689413), (115919, 174359)]