21318690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{710623}}^1$

素因数の和:710633

約数の個数: 16

約数和(自身を含む): 51164928

約数和(自身を除く): 29846238

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 710623, 1421246, 2131869, 3553115, 4263738, 7106230, 10659345, 21318690]

約数ペア:

[(1, 21318690), (2, 10659345), (3, 7106230), (5, 4263738), (6, 3553115), (10, 2131869), (15, 1421246), (30, 710623)]