21952160

素因数分解:

$2^5\times 5^1\times {\mathrm{137201}}^1$

素因数の和:137216

約数の個数: 24

約数和(自身を含む): 51862356

約数和(自身を除く): 29910196

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 137201, 274402, 548804, 686005, 1097608, 1372010, 2195216, 2744020, 4390432, 5488040, 10976080, 21952160]

約数ペア:

[(1, 21952160), (2, 10976080), (4, 5488040), (5, 4390432), (8, 2744020), (10, 2195216), (16, 1372010), (20, 1097608), (32, 686005), (40, 548804), (80, 274402), (160, 137201)]