21835359

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8887}}^1$

素因数の和:8916

約数の個数: 32

約数和(自身を含む): 39818240

約数和(自身を除く): 17982881

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 8887, 26661, 62209, 79983, 115531, 186627, 239949, 346593, 559881, 808717, 1039779, 1679643, 2426151, 3119337, 7278453, 21835359]

約数ペア:

[(1, 21835359), (3, 7278453), (7, 3119337), (9, 2426151), (13, 1679643), (21, 1039779), (27, 808717), (39, 559881), (63, 346593), (91, 239949), (117, 186627), (189, 115531), (273, 79983), (351, 62209), (819, 26661), (2457, 8887)]