21389010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{712967}}^1$

素因数の和:712977

約数の個数: 16

約数和(自身を含む): 51333696

約数和(自身を除く): 29944686

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 712967, 1425934, 2138901, 3564835, 4277802, 7129670, 10694505, 21389010]

約数ペア:

[(1, 21389010), (2, 10694505), (3, 7129670), (5, 4277802), (6, 3564835), (10, 2138901), (15, 1425934), (30, 712967)]