21930731

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1579}}^1$

素因数の和:1658

約数の個数: 16

約数和(自身を含む): 25027200

約数和(自身を除く): 3096469

約数列:

[1, 17, 19, 43, 323, 731, 817, 1579, 13889, 26843, 30001, 67897, 510017, 1154249, 1290043, 21930731]

約数ペア:

[(1, 21930731), (17, 1290043), (19, 1154249), (43, 510017), (323, 67897), (731, 30001), (817, 26843), (1579, 13889)]