21398430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{713281}}^1$

素因数の和:713291

約数の個数: 16

約数和(自身を含む): 51356304

約数和(自身を除く): 29957874

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 713281, 1426562, 2139843, 3566405, 4279686, 7132810, 10699215, 21398430]

約数ペア:

[(1, 21398430), (2, 10699215), (3, 7132810), (5, 4279686), (6, 3566405), (10, 2139843), (15, 1426562), (30, 713281)]