21319806

素因数分解:

$2^1\times 3^1\times {\mathrm{1669}}^1\times {\mathrm{2129}}^1$

素因数の和:3803

約数の個数: 16

約数和(自身を含む): 42685200

約数和(自身を除く): 21365394

約数列:

[1, 2, 3, 6, 1669, 2129, 3338, 4258, 5007, 6387, 10014, 12774, 3553301, 7106602, 10659903, 21319806]

約数ペア:

[(1, 21319806), (2, 10659903), (3, 7106602), (6, 3553301), (1669, 12774), (2129, 10014), (3338, 6387), (4258, 5007)]