21001662804

素因数分解:

$2^2\times 3^1\times {\mathrm{491}}^1\times {\mathrm{3564437}}^1$

素因数の和:3564935

約数の個数: 24

約数和(自身を含む): 49103697888

約数和(自身を除く): 28102035084

約数列:

[1, 2, 3, 4, 6, 12, 491, 982, 1473, 1964, 2946, 5892, 3564437, 7128874, 10693311, 14257748, 21386622, 42773244, 1750138567, 3500277134, 5250415701, 7000554268, 10500831402, 21001662804]

約数ペア:

[(1, 21001662804), (2, 10500831402), (3, 7000554268), (4, 5250415701), (6, 3500277134), (12, 1750138567), (491, 42773244), (982, 21386622), (1473, 14257748), (1964, 10693311), (2946, 7128874), (5892, 3564437)]