21975239

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{11821}}^1$

素因数の和:11858

約数の個数: 12

約数和(自身を含む): 25961112

約数和(自身を除く): 3985873

約数列:

[1, 11, 13, 143, 169, 1859, 11821, 130031, 153673, 1690403, 1997749, 21975239]

約数ペア:

[(1, 21975239), (11, 1997749), (13, 1690403), (143, 153673), (169, 130031), (1859, 11821)]