21382782

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{1237}}^1$

素因数の和:1352

約数の個数: 32

約数和(自身を含む): 44449152

約数和(自身を除く): 23066370

約数列:

[1, 2, 3, 6, 43, 67, 86, 129, 134, 201, 258, 402, 1237, 2474, 2881, 3711, 5762, 7422, 8643, 17286, 53191, 82879, 106382, 159573, 165758, 248637, 319146, 497274, 3563797, 7127594, 10691391, 21382782]

約数ペア:

[(1, 21382782), (2, 10691391), (3, 7127594), (6, 3563797), (43, 497274), (67, 319146), (86, 248637), (129, 165758), (134, 159573), (201, 106382), (258, 82879), (402, 53191), (1237, 17286), (2474, 8643), (2881, 7422), (3711, 5762)]