6821968

素因数分解:

$2^4\times {\mathrm{647}}^1\times {\mathrm{659}}^1$

素因数の和:1314

約数の個数: 20

約数和(自身を含む): 13258080

約数和(自身を除く): 6436112

約数列:

[1, 2, 4, 8, 16, 647, 659, 1294, 1318, 2588, 2636, 5176, 5272, 10352, 10544, 426373, 852746, 1705492, 3410984, 6821968]

約数ペア:

[(1, 6821968), (2, 3410984), (4, 1705492), (8, 852746), (16, 426373), (647, 10544), (659, 10352), (1294, 5272), (1318, 5176), (2588, 2636)]