21469195

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{4703}}^1$

素因数の和:4802

約数の個数: 16

約数和(自身を含む): 28449792

約数和(自身を除く): 6980597

約数列:

[1, 5, 11, 55, 83, 415, 913, 4565, 4703, 23515, 51733, 258665, 390349, 1951745, 4293839, 21469195]

約数ペア:

[(1, 21469195), (5, 4293839), (11, 1951745), (55, 390349), (83, 258665), (415, 51733), (913, 23515), (4565, 4703)]