21628376

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{35111}}^1$

素因数の和:35135

約数の個数: 32

約数和(自身を含む): 50561280

約数和(自身を除く): 28932904

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 35111, 70222, 140444, 245777, 280888, 386221, 491554, 772442, 983108, 1544884, 1966216, 2703547, 3089768, 5407094, 10814188, 21628376]

約数ペア:

[(1, 21628376), (2, 10814188), (4, 5407094), (7, 3089768), (8, 2703547), (11, 1966216), (14, 1544884), (22, 983108), (28, 772442), (44, 491554), (56, 386221), (77, 280888), (88, 245777), (154, 140444), (308, 70222), (616, 35111)]