21639330

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{240437}}^1$

素因数の和:240450

約数の個数: 24

約数和(自身を含む): 56262492

約数和(自身を除く): 34623162

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 240437, 480874, 721311, 1202185, 1442622, 2163933, 2404370, 3606555, 4327866, 7213110, 10819665, 21639330]

約数ペア:

[(1, 21639330), (2, 10819665), (3, 7213110), (5, 4327866), (6, 3606555), (9, 2404370), (10, 2163933), (15, 1442622), (18, 1202185), (30, 721311), (45, 480874), (90, 240437)]