21910742

素因数分解:

$2^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:201

約数の個数: 48

約数和(自身を含む): 40186368

約数和(自身を除く): 18275626

約数列:

[1, 2, 7, 14, 47, 49, 67, 71, 94, 98, 134, 142, 329, 469, 497, 658, 938, 994, 2303, 3149, 3283, 3337, 3479, 4606, 4757, 6298, 6566, 6674, 6958, 9514, 22043, 23359, 33299, 44086, 46718, 66598, 154301, 163513, 223579, 233093, 308602, 327026, 447158, 466186, 1565053, 3130106, 10955371, 21910742]

約数ペア:

[(1, 21910742), (2, 10955371), (7, 3130106), (14, 1565053), (47, 466186), (49, 447158), (67, 327026), (71, 308602), (94, 233093), (98, 223579), (134, 163513), (142, 154301), (329, 66598), (469, 46718), (497, 44086), (658, 33299), (938, 23359), (994, 22043), (2303, 9514), (3149, 6958), (3283, 6674), (3337, 6566), (3479, 6298), (4606, 4757)]