21817230

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{727241}}^1$

素因数の和:727251

約数の個数: 16

約数和(自身を含む): 52361424

約数和(自身を除く): 30544194

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 727241, 1454482, 2181723, 3636205, 4363446, 7272410, 10908615, 21817230]

約数ペア:

[(1, 21817230), (2, 10908615), (3, 7272410), (5, 4363446), (6, 3636205), (10, 2181723), (15, 1454482), (30, 727241)]