21396352

素因数分解:

$2^7\times {\mathrm{167159}}^1$

素因数の和:167173

約数の個数: 16

約数和(自身を含む): 42625800

約数和(自身を除く): 21229448

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 167159, 334318, 668636, 1337272, 2674544, 5349088, 10698176, 21396352]

約数ペア:

[(1, 21396352), (2, 10698176), (4, 5349088), (8, 2674544), (16, 1337272), (32, 668636), (64, 334318), (128, 167159)]