21580506

素因数分解:

$2^1\times 3^4\times {\mathrm{133213}}^1$

素因数の和:133227

約数の個数: 20

約数和(自身を含む): 48356682

約数和(自身を除く): 26776176

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 133213, 266426, 399639, 799278, 1198917, 2397834, 3596751, 7193502, 10790253, 21580506]

約数ペア:

[(1, 21580506), (2, 10790253), (3, 7193502), (6, 3596751), (9, 2397834), (18, 1198917), (27, 799278), (54, 399639), (81, 266426), (162, 133213)]