21302606

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{1901}}^1$

素因数の和:2347

約数の個数: 16

約数和(自身を含む): 34509888

約数和(自身を除く): 13207282

約数列:

[1, 2, 13, 26, 431, 862, 1901, 3802, 5603, 11206, 24713, 49426, 819331, 1638662, 10651303, 21302606]

約数ペア:

[(1, 21302606), (2, 10651303), (13, 1638662), (26, 819331), (431, 49426), (862, 24713), (1901, 11206), (3802, 5603)]