21105664

素因数分解:

$2^{10}\times {\mathrm{20611}}^1$

素因数の和:20631

約数の個数: 22

約数和(自身を含む): 42192764

約数和(自身を除く): 21087100

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 20611, 41222, 82444, 164888, 329776, 659552, 1319104, 2638208, 5276416, 10552832, 21105664]

約数ペア:

[(1, 21105664), (2, 10552832), (4, 5276416), (8, 2638208), (16, 1319104), (32, 659552), (64, 329776), (128, 164888), (256, 82444), (512, 41222), (1024, 20611)]