21049868

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{24251}}^1$

素因数の和:24293

約数の個数: 24

約数和(自身を含む): 43459584

約数和(自身を除く): 22409716

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 24251, 48502, 97004, 169757, 339514, 679028, 751781, 1503562, 3007124, 5262467, 10524934, 21049868]

約数ペア:

[(1, 21049868), (2, 10524934), (4, 5262467), (7, 3007124), (14, 1503562), (28, 751781), (31, 679028), (62, 339514), (124, 169757), (217, 97004), (434, 48502), (868, 24251)]