21509790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{601}}^1\times {\mathrm{1193}}^1$

素因数の和:1804

約数の個数: 32

約数和(自身を含む): 51752736

約数和(自身を除く): 30242946

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 601, 1193, 1202, 1803, 2386, 3005, 3579, 3606, 5965, 6010, 7158, 9015, 11930, 17895, 18030, 35790, 716993, 1433986, 2150979, 3584965, 4301958, 7169930, 10754895, 21509790]

約数ペア:

[(1, 21509790), (2, 10754895), (3, 7169930), (5, 4301958), (6, 3584965), (10, 2150979), (15, 1433986), (30, 716993), (601, 35790), (1193, 18030), (1202, 17895), (1803, 11930), (2386, 9015), (3005, 7158), (3579, 6010), (3606, 5965)]