21775222

素因数分解:

$2^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{3511}}^1$

素因数の和:3963

約数の個数: 16

約数和(自身を含む): 37423872

約数和(自身を除く): 15648650

約数列:

[1, 2, 7, 14, 443, 886, 3101, 3511, 6202, 7022, 24577, 49154, 1555373, 3110746, 10887611, 21775222]

約数ペア:

[(1, 21775222), (2, 10887611), (7, 3110746), (14, 1555373), (443, 49154), (886, 24577), (3101, 7022), (3511, 6202)]