21132939

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{2237}}^1$

素因数の和:2354

約数の個数: 16

約数和(自身を含む): 29219328

約数和(自身を除く): 8086389

約数列:

[1, 3, 47, 67, 141, 201, 2237, 3149, 6711, 9447, 105139, 149879, 315417, 449637, 7044313, 21132939]

約数ペア:

[(1, 21132939), (3, 7044313), (47, 449637), (67, 315417), (141, 149879), (201, 105139), (2237, 9447), (3149, 6711)]