21210216

素因数分解:

$2^3\times 3^1\times {\mathrm{199}}^1\times {\mathrm{4441}}^1$

素因数の和:4649

約数の個数: 32

約数和(自身を含む): 53304000

約数和(自身を除く): 32093784

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 199, 398, 597, 796, 1194, 1592, 2388, 4441, 4776, 8882, 13323, 17764, 26646, 35528, 53292, 106584, 883759, 1767518, 2651277, 3535036, 5302554, 7070072, 10605108, 21210216]

約数ペア:

[(1, 21210216), (2, 10605108), (3, 7070072), (4, 5302554), (6, 3535036), (8, 2651277), (12, 1767518), (24, 883759), (199, 106584), (398, 53292), (597, 35528), (796, 26646), (1194, 17764), (1592, 13323), (2388, 8882), (4441, 4776)]