21345468

素因数分解:

$2^2\times 3^1\times {\mathrm{631}}^1\times {\mathrm{2819}}^1$

素因数の和:3457

約数の個数: 24

約数和(自身を含む): 49902720

約数和(自身を除く): 28557252

約数列:

[1, 2, 3, 4, 6, 12, 631, 1262, 1893, 2524, 2819, 3786, 5638, 7572, 8457, 11276, 16914, 33828, 1778789, 3557578, 5336367, 7115156, 10672734, 21345468]

約数ペア:

[(1, 21345468), (2, 10672734), (3, 7115156), (4, 5336367), (6, 3557578), (12, 1778789), (631, 33828), (1262, 16914), (1893, 11276), (2524, 8457), (2819, 7572), (3786, 5638)]