21084512

素因数分解:

$2^5\times {\mathrm{103}}^1\times {\mathrm{6397}}^1$

素因数の和:6510

約数の個数: 24

約数和(自身を含む): 41919696

約数和(自身を除く): 20835184

約数列:

[1, 2, 4, 8, 16, 32, 103, 206, 412, 824, 1648, 3296, 6397, 12794, 25588, 51176, 102352, 204704, 658891, 1317782, 2635564, 5271128, 10542256, 21084512]

約数ペア:

[(1, 21084512), (2, 10542256), (4, 5271128), (8, 2635564), (16, 1317782), (32, 658891), (103, 204704), (206, 102352), (412, 51176), (824, 25588), (1648, 12794), (3296, 6397)]