2141921968

素因数分解:

$2^4\times {\mathrm{647}}^1\times {\mathrm{206909}}^1$

素因数の和:207564

約数の個数: 20

約数和(自身を含む): 4156408080

約数和(自身を除く): 2014486112

約数列:

[1, 2, 4, 8, 16, 647, 1294, 2588, 5176, 10352, 206909, 413818, 827636, 1655272, 3310544, 133870123, 267740246, 535480492, 1070960984, 2141921968]

約数ペア:

[(1, 2141921968), (2, 1070960984), (4, 535480492), (8, 267740246), (16, 133870123), (647, 3310544), (1294, 1655272), (2588, 827636), (5176, 413818), (10352, 206909)]