21380302

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{59}}^2\times {\mathrm{83}}^1$

素因数の和:240

約数の個数: 24

約数和(自身を含む): 33908616

約数和(自身を除く): 12528314

約数列:

[1, 2, 37, 59, 74, 83, 118, 166, 2183, 3071, 3481, 4366, 4897, 6142, 6962, 9794, 128797, 181189, 257594, 288923, 362378, 577846, 10690151, 21380302]

約数ペア:

[(1, 21380302), (2, 10690151), (37, 577846), (59, 362378), (74, 288923), (83, 257594), (118, 181189), (166, 128797), (2183, 9794), (3071, 6962), (3481, 6142), (4366, 4897)]