21791814

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{4523}}^1$

素因数の和:4612

約数の個数: 32

約数和(自身を含む): 48207744

約数和(自身を除く): 26415930

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 73, 146, 219, 438, 803, 1606, 2409, 4523, 4818, 9046, 13569, 27138, 49753, 99506, 149259, 298518, 330179, 660358, 990537, 1981074, 3631969, 7263938, 10895907, 21791814]

約数ペア:

[(1, 21791814), (2, 10895907), (3, 7263938), (6, 3631969), (11, 1981074), (22, 990537), (33, 660358), (66, 330179), (73, 298518), (146, 149259), (219, 99506), (438, 49753), (803, 27138), (1606, 13569), (2409, 9046), (4523, 4818)]