21987402

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{283}}^1\times {\mathrm{563}}^1$

素因数の和:874

約数の個数: 32

約数和(自身を含む): 46130688

約数和(自身を除く): 24143286

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 283, 563, 566, 849, 1126, 1689, 1698, 3378, 6509, 12949, 13018, 19527, 25898, 38847, 39054, 77694, 159329, 318658, 477987, 955974, 3664567, 7329134, 10993701, 21987402]

約数ペア:

[(1, 21987402), (2, 10993701), (3, 7329134), (6, 3664567), (23, 955974), (46, 477987), (69, 318658), (138, 159329), (283, 77694), (563, 39054), (566, 38847), (849, 25898), (1126, 19527), (1689, 13018), (1698, 12949), (3378, 6509)]