21014478

素因数分解:

$2^1\times 3^4\times {\mathrm{129719}}^1$

素因数の和:129733

約数の個数: 20

約数和(自身を含む): 47088360

約数和(自身を除く): 26073882

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 129719, 259438, 389157, 778314, 1167471, 2334942, 3502413, 7004826, 10507239, 21014478]

約数ペア:

[(1, 21014478), (2, 10507239), (3, 7004826), (6, 3502413), (9, 2334942), (18, 1167471), (27, 778314), (54, 389157), (81, 259438), (162, 129719)]