21899671

素因数分解:

${\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{313}}^1$

素因数の和:442

約数の個数: 16

約数和(自身を含む): 23673088

約数和(自身を除く): 1773417

約数列:

[1, 31, 37, 61, 313, 1147, 1891, 2257, 9703, 11581, 19093, 69967, 359011, 591883, 706441, 21899671]

約数ペア:

[(1, 21899671), (31, 706441), (37, 591883), (61, 359011), (313, 69967), (1147, 19093), (1891, 11581), (2257, 9703)]