21848185

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1\times {\mathrm{389}}^1$

素因数の和:680

約数の個数: 16

約数和(自身を含む): 26956800

約数和(自身を除く): 5108615

約数列:

[1, 5, 47, 235, 239, 389, 1195, 1945, 11233, 18283, 56165, 91415, 92971, 464855, 4369637, 21848185]

約数ペア:

[(1, 21848185), (5, 4369637), (47, 464855), (235, 92971), (239, 91415), (389, 56165), (1195, 18283), (1945, 11233)]