21857052

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{367}}^1\times {\mathrm{709}}^1$

素因数の和:1090

約数の個数: 48

約数和(自身を含む): 58526720

約数和(自身を除く): 36669668

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 367, 709, 734, 1101, 1418, 1468, 2127, 2202, 2569, 2836, 4254, 4404, 4963, 5138, 7707, 8508, 9926, 10276, 14889, 15414, 19852, 29778, 30828, 59556, 260203, 520406, 780609, 1040812, 1561218, 1821421, 3122436, 3642842, 5464263, 7285684, 10928526, 21857052]

約数ペア:

[(1, 21857052), (2, 10928526), (3, 7285684), (4, 5464263), (6, 3642842), (7, 3122436), (12, 1821421), (14, 1561218), (21, 1040812), (28, 780609), (42, 520406), (84, 260203), (367, 59556), (709, 30828), (734, 29778), (1101, 19852), (1418, 15414), (1468, 14889), (2127, 10276), (2202, 9926), (2569, 8508), (2836, 7707), (4254, 5138), (4404, 4963)]