21636870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{721229}}^1$

素因数の和:721239

約数の個数: 16

約数和(自身を含む): 51928560

約数和(自身を除く): 30291690

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 721229, 1442458, 2163687, 3606145, 4327374, 7212290, 10818435, 21636870]

約数ペア:

[(1, 21636870), (2, 10818435), (3, 7212290), (5, 4327374), (6, 3606145), (10, 2163687), (15, 1442458), (30, 721229)]