21082719

素因数分解:

$3^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{3167}}^1$

素因数の和:3494

約数の個数: 16

約数和(自身を含む): 32237568

約数和(自身を除く): 11154849

約数列:

[1, 3, 7, 21, 317, 951, 2219, 3167, 6657, 9501, 22169, 66507, 1003939, 3011817, 7027573, 21082719]

約数ペア:

[(1, 21082719), (3, 7027573), (7, 3011817), (21, 1003939), (317, 66507), (951, 22169), (2219, 9501), (3167, 6657)]