21457064

素因数分解:

$2^3\times {\mathrm{457}}^1\times {\mathrm{5869}}^1$

素因数の和:6332

約数の個数: 16

約数和(自身を含む): 40326900

約数和(自身を除く): 18869836

約数列:

[1, 2, 4, 8, 457, 914, 1828, 3656, 5869, 11738, 23476, 46952, 2682133, 5364266, 10728532, 21457064]

約数ペア:

[(1, 21457064), (2, 10728532), (4, 5364266), (8, 2682133), (457, 46952), (914, 23476), (1828, 11738), (3656, 5869)]