21653456

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{123031}}^1$

素因数の和:123050

約数の個数: 20

約数和(自身を含む): 45767904

約数和(自身を除く): 24114448

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 123031, 246062, 492124, 984248, 1353341, 1968496, 2706682, 5413364, 10826728, 21653456]

約数ペア:

[(1, 21653456), (2, 10826728), (4, 5413364), (8, 2706682), (11, 1968496), (16, 1353341), (22, 984248), (44, 492124), (88, 246062), (176, 123031)]