21297073

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{937}}^1$

素因数の和:1152

約数の個数: 16

約数和(自身を含む): 25933824

約数和(自身を除く): 4636751

約数列:

[1, 7, 17, 119, 191, 937, 1337, 3247, 6559, 15929, 22729, 111503, 178967, 1252769, 3042439, 21297073]

約数ペア:

[(1, 21297073), (7, 3042439), (17, 1252769), (119, 178967), (191, 111503), (937, 22729), (1337, 15929), (3247, 6559)]