21006987193

素因数分解:

${\mathrm{17}}^2\times {\mathrm{1901}}^1\times {\mathrm{38237}}^1$

素因数の和:40172

約数の個数: 12

約数和(自身を含む): 22327703532

約数和(自身を除く): 1320716339

約数列:

[1, 17, 289, 1901, 32317, 38237, 549389, 650029, 11050493, 72688537, 1235705129, 21006987193]

約数ペア:

[(1, 21006987193), (17, 1235705129), (289, 72688537), (1901, 11050493), (32317, 650029), (38237, 549389)]