21348273

素因数分解:

$3^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1\times {\mathrm{293}}^1$

素因数の和:608

約数の個数: 16

約数和(自身を含む): 28929600

約数和(自身を除く): 7581327

約数列:

[1, 3, 149, 163, 293, 447, 489, 879, 24287, 43657, 47759, 72861, 130971, 143277, 7116091, 21348273]

約数ペア:

[(1, 21348273), (3, 7116091), (149, 143277), (163, 130971), (293, 72861), (447, 47759), (489, 43657), (879, 24287)]