21478861434

素因数分解:

$2^1\times 3^1\times {\mathrm{647}}^1\times {\mathrm{5532937}}^1$

素因数の和:5533589

約数の個数: 16

約数和(自身を含む): 43024125888

約数和(自身を除く): 21545264454

約数列:

[1, 2, 3, 6, 647, 1294, 1941, 3882, 5532937, 11065874, 16598811, 33197622, 3579810239, 7159620478, 10739430717, 21478861434]

約数ペア:

[(1, 21478861434), (2, 10739430717), (3, 7159620478), (6, 3579810239), (647, 33197622), (1294, 16598811), (1941, 11065874), (3882, 5532937)]