21318410

素因数分解:

$2^1\times 5^1\times {\mathrm{599}}^1\times {\mathrm{3559}}^1$

素因数の和:4165

約数の個数: 16

約数和(自身を含む): 38448000

約数和(自身を除く): 17129590

約数列:

[1, 2, 5, 10, 599, 1198, 2995, 3559, 5990, 7118, 17795, 35590, 2131841, 4263682, 10659205, 21318410]

約数ペア:

[(1, 21318410), (2, 10659205), (5, 4263682), (10, 2131841), (599, 35590), (1198, 17795), (2995, 7118), (3559, 5990)]