21303688

素因数分解:

$2^3\times 7^1\times {\mathrm{380423}}^1$

素因数の和:380436

約数の個数: 16

約数和(自身を含む): 45650880

約数和(自身を除く): 24347192

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 380423, 760846, 1521692, 2662961, 3043384, 5325922, 10651844, 21303688]

約数ペア:

[(1, 21303688), (2, 10651844), (4, 5325922), (7, 3043384), (8, 2662961), (14, 1521692), (28, 760846), (56, 380423)]