21303518

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{4259}}^1$

素因数の和:4363

約数の個数: 16

約数和(自身を含む): 33279120

約数和(自身を除く): 11975602

約数列:

[1, 2, 41, 61, 82, 122, 2501, 4259, 5002, 8518, 174619, 259799, 349238, 519598, 10651759, 21303518]

約数ペア:

[(1, 21303518), (2, 10651759), (41, 519598), (61, 349238), (82, 259799), (122, 174619), (2501, 8518), (4259, 5002)]