21012968

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{44519}}^1$

素因数の和:44584

約数の個数: 16

約数和(自身を含む): 40068000

約数和(自身を除く): 19055032

約数列:

[1, 2, 4, 8, 59, 118, 236, 472, 44519, 89038, 178076, 356152, 2626621, 5253242, 10506484, 21012968]

約数ペア:

[(1, 21012968), (2, 10506484), (4, 5253242), (8, 2626621), (59, 356152), (118, 178076), (236, 89038), (472, 44519)]