21965868

素因数分解:

$2^2\times 3^2\times {\mathrm{610163}}^1$

素因数の和:610173

約数の個数: 18

約数和(自身を含む): 55524924

約数和(自身を除く): 33559056

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 610163, 1220326, 1830489, 2440652, 3660978, 5491467, 7321956, 10982934, 21965868]

約数ペア:

[(1, 21965868), (2, 10982934), (3, 7321956), (4, 5491467), (6, 3660978), (9, 2440652), (12, 1830489), (18, 1220326), (36, 610163)]