21931283721

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{3203}}^1\times {\mathrm{134257}}^1$

素因数の和:137480

約数の個数: 16

約数和(自身を含む): 30971709504

約数和(自身を除く): 9040425783

約数列:

[1, 3, 17, 51, 3203, 9609, 54451, 134257, 163353, 402771, 2282369, 6847107, 430025171, 1290075513, 7310427907, 21931283721]

約数ペア:

[(1, 21931283721), (3, 7310427907), (17, 1290075513), (51, 430025171), (3203, 6847107), (9609, 2282369), (54451, 402771), (134257, 163353)]