21809010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{2083}}^1$

素因数の和:2442

約数の個数: 32

約数和(自身を含む): 52516800

約数和(自身を除く): 30707790

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 349, 698, 1047, 1745, 2083, 2094, 3490, 4166, 5235, 6249, 10415, 10470, 12498, 20830, 31245, 62490, 726967, 1453934, 2180901, 3634835, 4361802, 7269670, 10904505, 21809010]

約数ペア:

[(1, 21809010), (2, 10904505), (3, 7269670), (5, 4361802), (6, 3634835), (10, 2180901), (15, 1453934), (30, 726967), (349, 62490), (698, 31245), (1047, 20830), (1745, 12498), (2083, 10470), (2094, 10415), (3490, 6249), (4166, 5235)]