21795839

素因数分解:

${\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1$

素因数の和:410

約数の個数: 16

約数和(自身を含む): 24155040

約数和(自身を除く): 2359201

約数列:

[1, 13, 59, 157, 181, 767, 2041, 2353, 9263, 10679, 28417, 120419, 138827, 369421, 1676603, 21795839]

約数ペア:

[(1, 21795839), (13, 1676603), (59, 369421), (157, 138827), (181, 120419), (767, 28417), (2041, 10679), (2353, 9263)]