21409686

素因数分解:

$2^1\times 3^2\times {\mathrm{151}}^1\times {\mathrm{7877}}^1$

素因数の和:8036

約数の個数: 24

約数和(自身を含む): 46700784

約数和(自身を除く): 25291098

約数列:

[1, 2, 3, 6, 9, 18, 151, 302, 453, 906, 1359, 2718, 7877, 15754, 23631, 47262, 70893, 141786, 1189427, 2378854, 3568281, 7136562, 10704843, 21409686]

約数ペア:

[(1, 21409686), (2, 10704843), (3, 7136562), (6, 3568281), (9, 2378854), (18, 1189427), (151, 141786), (302, 70893), (453, 47262), (906, 23631), (1359, 15754), (2718, 7877)]