21811930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{463}}^1\times {\mathrm{673}}^1$

素因数の和:1150

約数の個数: 32

約数和(自身を含む): 45033984

約数和(自身を除く): 23222054

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 463, 673, 926, 1346, 2315, 3241, 3365, 4630, 4711, 6482, 6730, 9422, 16205, 23555, 32410, 47110, 311599, 623198, 1557995, 2181193, 3115990, 4362386, 10905965, 21811930]

約数ペア:

[(1, 21811930), (2, 10905965), (5, 4362386), (7, 3115990), (10, 2181193), (14, 1557995), (35, 623198), (70, 311599), (463, 47110), (673, 32410), (926, 23555), (1346, 16205), (2315, 9422), (3241, 6730), (3365, 6482), (4630, 4711)]