21652360

素因数分解:

$2^3\times 5^1\times {\mathrm{541309}}^1$

素因数の和:541320

約数の個数: 16

約数和(自身を含む): 48717900

約数和(自身を除く): 27065540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 541309, 1082618, 2165236, 2706545, 4330472, 5413090, 10826180, 21652360]

約数ペア:

[(1, 21652360), (2, 10826180), (4, 5413090), (5, 4330472), (8, 2706545), (10, 2165236), (20, 1082618), (40, 541309)]