21859851

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{1913}}^1$

素因数の和:2222

約数の個数: 16

約数和(自身を含む): 31512096

約数和(自身を除く): 9652245

約数列:

[1, 3, 13, 39, 293, 879, 1913, 3809, 5739, 11427, 24869, 74607, 560509, 1681527, 7286617, 21859851]

約数ペア:

[(1, 21859851), (3, 7286617), (13, 1681527), (39, 560509), (293, 74607), (879, 24869), (1913, 11427), (3809, 5739)]