21400530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{713351}}^1$

素因数の和:713361

約数の個数: 16

約数和(自身を含む): 51361344

約数和(自身を除く): 29960814

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 713351, 1426702, 2140053, 3566755, 4280106, 7133510, 10700265, 21400530]

約数ペア:

[(1, 21400530), (2, 10700265), (3, 7133510), (5, 4280106), (6, 3566755), (10, 2140053), (15, 1426702), (30, 713351)]