21282990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{709433}}^1$

素因数の和:709443

約数の個数: 16

約数和(自身を含む): 51079248

約数和(自身を除く): 29796258

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 709433, 1418866, 2128299, 3547165, 4256598, 7094330, 10641495, 21282990]

約数ペア:

[(1, 21282990), (2, 10641495), (3, 7094330), (5, 4256598), (6, 3547165), (10, 2128299), (15, 1418866), (30, 709433)]