21050110

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1\times {\mathrm{191}}^1$

素因数の和:408

約数の個数: 32

約数和(自身を含む): 38817792

約数和(自身を除く): 17767682

約数列:

[1, 2, 5, 10, 103, 107, 191, 206, 214, 382, 515, 535, 955, 1030, 1070, 1910, 11021, 19673, 20437, 22042, 39346, 40874, 55105, 98365, 102185, 110210, 196730, 204370, 2105011, 4210022, 10525055, 21050110]

約数ペア:

[(1, 21050110), (2, 10525055), (5, 4210022), (10, 2105011), (103, 204370), (107, 196730), (191, 110210), (206, 102185), (214, 98365), (382, 55105), (515, 40874), (535, 39346), (955, 22042), (1030, 20437), (1070, 19673), (1910, 11021)]