21824335

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{4729}}^1$

素因数の和:4818

約数の個数: 16

約数和(自身を含む): 28607040

約数和(自身を除く): 6782705

約数列:

[1, 5, 13, 65, 71, 355, 923, 4615, 4729, 23645, 61477, 307385, 335759, 1678795, 4364867, 21824335]

約数ペア:

[(1, 21824335), (5, 4364867), (13, 1678795), (65, 335759), (71, 307385), (355, 61477), (923, 23645), (4615, 4729)]