21434361

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{17729}}^1$

素因数の和:17776

約数の個数: 16

約数和(自身を含む): 31772160

約数和(自身を除く): 10337799

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 17729, 53187, 230477, 549599, 691431, 1648797, 7144787, 21434361]

約数ペア:

[(1, 21434361), (3, 7144787), (13, 1648797), (31, 691431), (39, 549599), (93, 230477), (403, 53187), (1209, 17729)]