21034105

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1\times {\mathrm{307}}^1$

素因数の和:576

約数の個数: 16

約数和(自身を含む): 25812864

約数和(自身を除く): 4778759

約数列:

[1, 5, 71, 193, 307, 355, 965, 1535, 13703, 21797, 59251, 68515, 108985, 296255, 4206821, 21034105]

約数ペア:

[(1, 21034105), (5, 4206821), (71, 296255), (193, 108985), (307, 68515), (355, 59251), (965, 21797), (1535, 13703)]