21210.000000

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:203

約数の個数: 32

約数和(自身を含む): 360240

約数和(自身を除く): 220824

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 148, 157, 222, 296, 314, 444, 471, 628, 888, 942, 1256, 1884, 3768, 5809, 11618, 17427, 23236, 34854, 46472, 69708, 139416]

約数ペア:

[(1, 139416), (2, 69708), (3, 46472), (4, 34854), (6, 23236), (8, 17427), (12, 11618), (24, 5809), (37, 3768), (74, 1884), (111, 1256), (148, 942), (157, 888), (222, 628), (296, 471), (314, 444)]