42121420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191461}}^1$

素因数の和:191481

約数の個数: 24

約数和(自身を含む): 96496848

約数和(自身を除く): 54375428

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 191461, 382922, 765844, 957305, 1914610, 2106071, 3829220, 4212142, 8424284, 10530355, 21060710, 42121420]

約数ペア:

[(1, 42121420), (2, 21060710), (4, 10530355), (5, 8424284), (10, 4212142), (11, 3829220), (20, 2106071), (22, 1914610), (44, 957305), (55, 765844), (110, 382922), (220, 191461)]