21146874

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{1451}}^1$

素因数の和:1810

約数の個数: 32

約数和(自身を含む): 48508416

約数和(自身を除く): 27361542

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 347, 694, 1041, 1451, 2082, 2429, 2902, 4353, 4858, 7287, 8706, 10157, 14574, 20314, 30471, 60942, 503497, 1006994, 1510491, 3020982, 3524479, 7048958, 10573437, 21146874]

約数ペア:

[(1, 21146874), (2, 10573437), (3, 7048958), (6, 3524479), (7, 3020982), (14, 1510491), (21, 1006994), (42, 503497), (347, 60942), (694, 30471), (1041, 20314), (1451, 14574), (2082, 10157), (2429, 8706), (2902, 7287), (4353, 4858)]