12621580

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1499}}^1$

素因数の和:1929

約数の個数: 24

約数和(自身を含む): 26586000

約数和(自身を除く): 13964420

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1499, 1684, 2105, 2998, 4210, 5996, 7495, 8420, 14990, 29980, 631079, 1262158, 2524316, 3155395, 6310790, 12621580]

約数ペア:

[(1, 12621580), (2, 6310790), (4, 3155395), (5, 2524316), (10, 1262158), (20, 631079), (421, 29980), (842, 14990), (1499, 8420), (1684, 7495), (2105, 5996), (2998, 4210)]