21960558

素因数分解:

$2^1\times 3^4\times {\mathrm{135559}}^1$

素因数の和:135573

約数の個数: 20

約数和(自身を含む): 49208280

約数和(自身を除く): 27247722

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 135559, 271118, 406677, 813354, 1220031, 2440062, 3660093, 7320186, 10980279, 21960558]

約数ペア:

[(1, 21960558), (2, 10980279), (3, 7320186), (6, 3660093), (9, 2440062), (18, 1220031), (27, 813354), (54, 406677), (81, 271118), (162, 135559)]