21030105

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{82471}}^1$

素因数の和:82496

約数の個数: 16

約数和(自身を含む): 35627904

約数和(自身を除く): 14597799

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 82471, 247413, 412355, 1237065, 1402007, 4206021, 7010035, 21030105]

約数ペア:

[(1, 21030105), (3, 7010035), (5, 4206021), (15, 1402007), (17, 1237065), (51, 412355), (85, 247413), (255, 82471)]