21230216

素因数分解:

$2^3\times 7^1\times {\mathrm{367}}^1\times {\mathrm{1033}}^1$

素因数の和:1413

約数の個数: 32

約数和(自身を含む): 45661440

約数和(自身を除く): 24431224

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 367, 734, 1033, 1468, 2066, 2569, 2936, 4132, 5138, 7231, 8264, 10276, 14462, 20552, 28924, 57848, 379111, 758222, 1516444, 2653777, 3032888, 5307554, 10615108, 21230216]

約数ペア:

[(1, 21230216), (2, 10615108), (4, 5307554), (7, 3032888), (8, 2653777), (14, 1516444), (28, 758222), (56, 379111), (367, 57848), (734, 28924), (1033, 20552), (1468, 14462), (2066, 10276), (2569, 8264), (2936, 7231), (4132, 5138)]