21796712

素因数分解:

$2^3\times 7^1\times {\mathrm{389227}}^1$

素因数の和:389240

約数の個数: 16

約数和(自身を含む): 46707360

約数和(自身を除く): 24910648

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 389227, 778454, 1556908, 2724589, 3113816, 5449178, 10898356, 21796712]

約数ペア:

[(1, 21796712), (2, 10898356), (4, 5449178), (7, 3113816), (8, 2724589), (14, 1556908), (28, 778454), (56, 389227)]