21265647

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{1861}}^1$

素因数の和:2170

約数の個数: 16

約数和(自身を含む): 30655968

約数和(自身を除く): 9390321

約数列:

[1, 3, 13, 39, 293, 879, 1861, 3809, 5583, 11427, 24193, 72579, 545273, 1635819, 7088549, 21265647]

約数ペア:

[(1, 21265647), (3, 7088549), (13, 1635819), (39, 545273), (293, 72579), (879, 24193), (1861, 11427), (3809, 5583)]