21702990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{6637}}^1$

素因数の和:6756

約数の個数: 32

約数和(自身を含む): 52572960

約数和(自身を除く): 30869970

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 109, 218, 327, 545, 654, 1090, 1635, 3270, 6637, 13274, 19911, 33185, 39822, 66370, 99555, 199110, 723433, 1446866, 2170299, 3617165, 4340598, 7234330, 10851495, 21702990]

約数ペア:

[(1, 21702990), (2, 10851495), (3, 7234330), (5, 4340598), (6, 3617165), (10, 2170299), (15, 1446866), (30, 723433), (109, 199110), (218, 99555), (327, 66370), (545, 39822), (654, 33185), (1090, 19911), (1635, 13274), (3270, 6637)]