21269435

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{1427}}^1$

素因数の和:1714

約数の個数: 16

約数和(自身を含む): 27965952

約数和(自身を除く): 6696517

約数列:

[1, 5, 11, 55, 271, 1355, 1427, 2981, 7135, 14905, 15697, 78485, 386717, 1933585, 4253887, 21269435]

約数ペア:

[(1, 21269435), (5, 4253887), (11, 1933585), (55, 386717), (271, 78485), (1355, 15697), (1427, 14905), (2981, 7135)]