21912245

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{1201}}^1$

素因数の和:1336

約数の個数: 16

約数和(自身を含む): 27261360

約数和(自身を除く): 5349115

約数列:

[1, 5, 41, 89, 205, 445, 1201, 3649, 6005, 18245, 49241, 106889, 246205, 534445, 4382449, 21912245]

約数ペア:

[(1, 21912245), (5, 4382449), (41, 534445), (89, 246205), (205, 106889), (445, 49241), (1201, 18245), (3649, 6005)]