21259927

素因数分解:

${\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1$

素因数の和:382

約数の個数: 16

約数和(自身を含む): 23511040

約数和(自身を除く): 2251113

約数列:

[1, 13, 79, 127, 163, 1027, 1651, 2119, 10033, 12877, 20701, 130429, 167401, 269113, 1635379, 21259927]

約数ペア:

[(1, 21259927), (13, 1635379), (79, 269113), (127, 167401), (163, 130429), (1027, 20701), (1651, 12877), (2119, 10033)]