21238866

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1601}}^1$

素因数の和:1687

約数の個数: 48

約数和(自身を含む): 50982048

約数和(自身を除く): 29743182

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 67, 99, 134, 198, 201, 402, 603, 737, 1206, 1474, 1601, 2211, 3202, 4422, 4803, 6633, 9606, 13266, 14409, 17611, 28818, 35222, 52833, 105666, 107267, 158499, 214534, 316998, 321801, 643602, 965403, 1179937, 1930806, 2359874, 3539811, 7079622, 10619433, 21238866]

約数ペア:

[(1, 21238866), (2, 10619433), (3, 7079622), (6, 3539811), (9, 2359874), (11, 1930806), (18, 1179937), (22, 965403), (33, 643602), (66, 321801), (67, 316998), (99, 214534), (134, 158499), (198, 107267), (201, 105666), (402, 52833), (603, 35222), (737, 28818), (1206, 17611), (1474, 14409), (1601, 13266), (2211, 9606), (3202, 6633), (4422, 4803)]