21734120

素因数分解:

$2^3\times 5^1\times {\mathrm{543353}}^1$

素因数の和:543364

約数の個数: 16

約数和(自身を含む): 48901860

約数和(自身を除く): 27167740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 543353, 1086706, 2173412, 2716765, 4346824, 5433530, 10867060, 21734120]

約数ペア:

[(1, 21734120), (2, 10867060), (4, 5433530), (5, 4346824), (8, 2716765), (10, 2173412), (20, 1086706), (40, 543353)]