21207045815

素因数分解:

$5^1\times {\mathrm{541}}^1\times {\mathrm{1433}}^1\times {\mathrm{5471}}^1$

素因数の和:7450

約数の個数: 16

約数和(自身を含む): 25517949696

約数和(自身を除く): 4310903881

約数列:

[1, 5, 541, 1433, 2705, 5471, 7165, 27355, 775253, 2959811, 3876265, 7839943, 14799055, 39199715, 4241409163, 21207045815]

約数ペア:

[(1, 21207045815), (5, 4241409163), (541, 39199715), (1433, 14799055), (2705, 7839943), (5471, 3876265), (7165, 2959811), (27355, 775253)]