21566028

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{821}}^1$

素因数の和:1038

約数の個数: 48

約数和(自身を含む): 55238400

約数和(自身を除く): 33672372

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 199, 398, 597, 796, 821, 1194, 1642, 2189, 2388, 2463, 3284, 4378, 4926, 6567, 8756, 9031, 9852, 13134, 18062, 26268, 27093, 36124, 54186, 108372, 163379, 326758, 490137, 653516, 980274, 1797169, 1960548, 3594338, 5391507, 7188676, 10783014, 21566028]

約数ペア:

[(1, 21566028), (2, 10783014), (3, 7188676), (4, 5391507), (6, 3594338), (11, 1960548), (12, 1797169), (22, 980274), (33, 653516), (44, 490137), (66, 326758), (132, 163379), (199, 108372), (398, 54186), (597, 36124), (796, 27093), (821, 26268), (1194, 18062), (1642, 13134), (2189, 9852), (2388, 9031), (2463, 8756), (3284, 6567), (4378, 4926)]