21061249

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^2\times {\mathrm{67}}^1$

素因数の和:177

約数の個数: 24

約数和(自身を含む): 25307424

約数和(自身を除く): 4246175

約数列:

[1, 11, 17, 41, 67, 187, 451, 697, 737, 1139, 1681, 2747, 7667, 12529, 18491, 28577, 30217, 46699, 112627, 314347, 513689, 1238897, 1914659, 21061249]

約数ペア:

[(1, 21061249), (11, 1914659), (17, 1238897), (41, 513689), (67, 314347), (187, 112627), (451, 46699), (697, 30217), (737, 28577), (1139, 18491), (1681, 12529), (2747, 7667)]