21389610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{64817}}^1$

素因数の和:64838

約数の個数: 32

約数和(自身を含む): 56002752

約数和(自身を除く): 34613142

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 64817, 129634, 194451, 324085, 388902, 648170, 712987, 972255, 1425974, 1944510, 2138961, 3564935, 4277922, 7129870, 10694805, 21389610]

約数ペア:

[(1, 21389610), (2, 10694805), (3, 7129870), (5, 4277922), (6, 3564935), (10, 2138961), (11, 1944510), (15, 1425974), (22, 972255), (30, 712987), (33, 648170), (55, 388902), (66, 324085), (110, 194451), (165, 129634), (330, 64817)]