21269742

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{701}}^1$

素因数の和:1108

約数の個数: 32

約数和(自身を含む): 45995040

約数和(自身を除く): 24725298

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 389, 701, 778, 1167, 1402, 2103, 2334, 4206, 5057, 9113, 10114, 15171, 18226, 27339, 30342, 54678, 272689, 545378, 818067, 1636134, 3544957, 7089914, 10634871, 21269742]

約数ペア:

[(1, 21269742), (2, 10634871), (3, 7089914), (6, 3544957), (13, 1636134), (26, 818067), (39, 545378), (78, 272689), (389, 54678), (701, 30342), (778, 27339), (1167, 18226), (1402, 15171), (2103, 10114), (2334, 9113), (4206, 5057)]