21289578

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{2339}}^1$

素因数の和:2422

約数の個数: 32

約数和(自身を含む): 44815680

約数和(自身を除く): 23526102

約数列:

[1, 2, 3, 6, 37, 41, 74, 82, 111, 123, 222, 246, 1517, 2339, 3034, 4551, 4678, 7017, 9102, 14034, 86543, 95899, 173086, 191798, 259629, 287697, 519258, 575394, 3548263, 7096526, 10644789, 21289578]

約数ペア:

[(1, 21289578), (2, 10644789), (3, 7096526), (6, 3548263), (37, 575394), (41, 519258), (74, 287697), (82, 259629), (111, 191798), (123, 173086), (222, 95899), (246, 86543), (1517, 14034), (2339, 9102), (3034, 7017), (4551, 4678)]