21829690

素因数分解:

$2^1\times 5^1\times {\mathrm{1049}}^1\times {\mathrm{2081}}^1$

素因数の和:3137

約数の個数: 16

約数和(自身を含む): 39349800

約数和(自身を除く): 17520110

約数列:

[1, 2, 5, 10, 1049, 2081, 2098, 4162, 5245, 10405, 10490, 20810, 2182969, 4365938, 10914845, 21829690]

約数ペア:

[(1, 21829690), (2, 10914845), (5, 4365938), (10, 2182969), (1049, 20810), (2081, 10490), (2098, 10405), (4162, 5245)]