21453628

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{8609}}^1$

素因数の和:8709

約数の個数: 24

約数和(自身を含む): 43394400

約数和(自身を除く): 21940772

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 8609, 17218, 34436, 60263, 120526, 241052, 766201, 1532402, 3064804, 5363407, 10726814, 21453628]

約数ペア:

[(1, 21453628), (2, 10726814), (4, 5363407), (7, 3064804), (14, 1532402), (28, 766201), (89, 241052), (178, 120526), (356, 60263), (623, 34436), (1246, 17218), (2492, 8609)]