21875615

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{1319}}^1$

素因数の和:1462

約数の個数: 16

約数和(自身を含む): 27371520

約数和(自身を除く): 5495905

約数列:

[1, 5, 31, 107, 155, 535, 1319, 3317, 6595, 16585, 40889, 141133, 204445, 705665, 4375123, 21875615]

約数ペア:

[(1, 21875615), (5, 4375123), (31, 705665), (107, 204445), (155, 141133), (535, 40889), (1319, 16585), (3317, 6595)]