21770128

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{12041}}^1$

素因数の和:12162

約数の個数: 20

約数和(自身を含む): 42556428

約数和(自身を除く): 20786300

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 12041, 24082, 48164, 96328, 192656, 1360633, 2721266, 5442532, 10885064, 21770128]

約数ペア:

[(1, 21770128), (2, 10885064), (4, 5442532), (8, 2721266), (16, 1360633), (113, 192656), (226, 96328), (452, 48164), (904, 24082), (1808, 12041)]