21550456

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{769}}^1$

素因数の和:919

約数の個数: 32

約数和(自身を含む): 42134400

約数和(自身を除く): 20583944

約数列:

[1, 2, 4, 8, 31, 62, 113, 124, 226, 248, 452, 769, 904, 1538, 3076, 3503, 6152, 7006, 14012, 23839, 28024, 47678, 86897, 95356, 173794, 190712, 347588, 695176, 2693807, 5387614, 10775228, 21550456]

約数ペア:

[(1, 21550456), (2, 10775228), (4, 5387614), (8, 2693807), (31, 695176), (62, 347588), (113, 190712), (124, 173794), (226, 95356), (248, 86897), (452, 47678), (769, 28024), (904, 23839), (1538, 14012), (3076, 7006), (3503, 6152)]