21791033

素因数分解:

${\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{373}}^1$

素因数の和:544

約数の個数: 16

約数和(自身を含む): 24558336

約数和(自身を除く): 2767303

約数列:

[1, 11, 47, 113, 373, 517, 1243, 4103, 5311, 17531, 42149, 58421, 192841, 463639, 1981003, 21791033]

約数ペア:

[(1, 21791033), (11, 1981003), (47, 463639), (113, 192841), (373, 58421), (517, 42149), (1243, 17531), (4103, 5311)]