21941913

素因数分解:

$3^1\times 7^1\times {\mathrm{761}}^1\times {\mathrm{1373}}^1$

素因数の和:2144

約数の個数: 16

約数和(自身を含む): 33503616

約数和(自身を除く): 11561703

約数列:

[1, 3, 7, 21, 761, 1373, 2283, 4119, 5327, 9611, 15981, 28833, 1044853, 3134559, 7313971, 21941913]

約数ペア:

[(1, 21941913), (3, 7313971), (7, 3134559), (21, 1044853), (761, 28833), (1373, 15981), (2283, 9611), (4119, 5327)]