21764168

素因数分解:

$2^3\times {\mathrm{457}}^1\times {\mathrm{5953}}^1$

素因数の和:6416

約数の個数: 16

約数和(自身を含む): 40903980

約数和(自身を除く): 19139812

約数列:

[1, 2, 4, 8, 457, 914, 1828, 3656, 5953, 11906, 23812, 47624, 2720521, 5441042, 10882084, 21764168]

約数ペア:

[(1, 21764168), (2, 10882084), (4, 5441042), (8, 2720521), (457, 47624), (914, 23812), (1828, 11906), (3656, 5953)]