21556352

素因数分解:

$2^7\times {\mathrm{168409}}^1$

素因数の和:168423

約数の個数: 16

約数和(自身を含む): 42944550

約数和(自身を除く): 21388198

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 168409, 336818, 673636, 1347272, 2694544, 5389088, 10778176, 21556352]

約数ペア:

[(1, 21556352), (2, 10778176), (4, 5389088), (8, 2694544), (16, 1347272), (32, 673636), (64, 336818), (128, 168409)]