21809968

素因数分解:

$2^4\times {\mathrm{359}}^1\times {\mathrm{3797}}^1$

素因数の和:4164

約数の個数: 20

約数和(自身を含む): 42385680

約数和(自身を除く): 20575712

約数列:

[1, 2, 4, 8, 16, 359, 718, 1436, 2872, 3797, 5744, 7594, 15188, 30376, 60752, 1363123, 2726246, 5452492, 10904984, 21809968]

約数ペア:

[(1, 21809968), (2, 10904984), (4, 5452492), (8, 2726246), (16, 1363123), (359, 60752), (718, 30376), (1436, 15188), (2872, 7594), (3797, 5744)]