21609610

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{1301}}^1$

素因数の和:1470

約数の個数: 32

約数和(自身を含む): 42747264

約数和(自身を除く): 21137654

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 151, 302, 755, 1301, 1510, 1661, 2602, 3322, 6505, 8305, 13010, 14311, 16610, 28622, 71555, 143110, 196451, 392902, 982255, 1964510, 2160961, 4321922, 10804805, 21609610]

約数ペア:

[(1, 21609610), (2, 10804805), (5, 4321922), (10, 2160961), (11, 1964510), (22, 982255), (55, 392902), (110, 196451), (151, 143110), (302, 71555), (755, 28622), (1301, 16610), (1510, 14311), (1661, 13010), (2602, 8305), (3322, 6505)]