21505110

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{65167}}^1$

素因数の和:65188

約数の個数: 32

約数和(自身を含む): 56305152

約数和(自身を除く): 34800042

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 65167, 130334, 195501, 325835, 391002, 651670, 716837, 977505, 1433674, 1955010, 2150511, 3584185, 4301022, 7168370, 10752555, 21505110]

約数ペア:

[(1, 21505110), (2, 10752555), (3, 7168370), (5, 4301022), (6, 3584185), (10, 2150511), (11, 1955010), (15, 1433674), (22, 977505), (30, 716837), (33, 651670), (55, 391002), (66, 325835), (110, 195501), (165, 130334), (330, 65167)]