21961294

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{5333}}^1$

素因数の和:5435

約数の個数: 16

約数和(自身を含む): 34564320

約数和(自身を除く): 12603026

約数列:

[1, 2, 29, 58, 71, 142, 2059, 4118, 5333, 10666, 154657, 309314, 378643, 757286, 10980647, 21961294]

約数ペア:

[(1, 21961294), (2, 10980647), (29, 757286), (58, 378643), (71, 309314), (142, 154657), (2059, 10666), (4118, 5333)]