21480558

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{325463}}^1$

素因数の和:325479

約数の個数: 16

約数和(自身を含む): 46866816

約数和(自身を除く): 25386258

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 325463, 650926, 976389, 1952778, 3580093, 7160186, 10740279, 21480558]

約数ペア:

[(1, 21480558), (2, 10740279), (3, 7160186), (6, 3580093), (11, 1952778), (22, 976389), (33, 650926), (66, 325463)]