21130122

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{270899}}^1$

素因数の和:270917

約数の個数: 16

約数和(自身を含む): 45511200

約数和(自身を除く): 24381078

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 270899, 541798, 812697, 1625394, 3521687, 7043374, 10565061, 21130122]

約数ペア:

[(1, 21130122), (2, 10565061), (3, 7043374), (6, 3521687), (13, 1625394), (26, 812697), (39, 541798), (78, 270899)]