21396224

素因数分解:

$2^8\times {\mathrm{83579}}^1$

素因数の和:83595

約数の個数: 18

約数和(自身を含む): 42709380

約数和(自身を除く): 21313156

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 83579, 167158, 334316, 668632, 1337264, 2674528, 5349056, 10698112, 21396224]

約数ペア:

[(1, 21396224), (2, 10698112), (4, 5349056), (8, 2674528), (16, 1337264), (32, 668632), (64, 334316), (128, 167158), (256, 83579)]