21560814

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{108893}}^1$

素因数の和:108912

約数の個数: 24

約数和(自身を含む): 50962392

約数和(自身を除く): 29401578

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 108893, 217786, 326679, 653358, 980037, 1197823, 1960074, 2395646, 3593469, 7186938, 10780407, 21560814]

約数ペア:

[(1, 21560814), (2, 10780407), (3, 7186938), (6, 3593469), (9, 2395646), (11, 1960074), (18, 1197823), (22, 980037), (33, 653358), (66, 326679), (99, 217786), (198, 108893)]