21705472

素因数分解:

$2^8\times {\mathrm{84787}}^1$

素因数の和:84803

約数の個数: 18

約数和(自身を含む): 43326668

約数和(自身を除く): 21621196

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 84787, 169574, 339148, 678296, 1356592, 2713184, 5426368, 10852736, 21705472]

約数ペア:

[(1, 21705472), (2, 10852736), (4, 5426368), (8, 2713184), (16, 1356592), (32, 678296), (64, 339148), (128, 169574), (256, 84787)]