21904045

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{1811}}^1$

素因数の和:1916

約数の個数: 16

約数和(自身を含む): 27397440

約数和(自身を除く): 5493395

約数列:

[1, 5, 41, 59, 205, 295, 1811, 2419, 9055, 12095, 74251, 106849, 371255, 534245, 4380809, 21904045]

約数ペア:

[(1, 21904045), (5, 4380809), (41, 534245), (59, 371255), (205, 106849), (295, 74251), (1811, 12095), (2419, 9055)]