21412960

素因数分解:

$2^5\times 5^1\times {\mathrm{133831}}^1$

素因数の和:133846

約数の個数: 24

約数和(自身を含む): 50588496

約数和(自身を除く): 29175536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 133831, 267662, 535324, 669155, 1070648, 1338310, 2141296, 2676620, 4282592, 5353240, 10706480, 21412960]

約数ペア:

[(1, 21412960), (2, 10706480), (4, 5353240), (5, 4282592), (8, 2676620), (10, 2141296), (16, 1338310), (20, 1070648), (32, 669155), (40, 535324), (80, 267662), (160, 133831)]