21148138

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{2819}}^1$

素因数の和:2874

約数の個数: 24

約数和(自身を含む): 36005760

約数和(自身を除く): 14857622

約数列:

[1, 2, 11, 22, 31, 62, 121, 242, 341, 682, 2819, 3751, 5638, 7502, 31009, 62018, 87389, 174778, 341099, 682198, 961279, 1922558, 10574069, 21148138]

約数ペア:

[(1, 21148138), (2, 10574069), (11, 1922558), (22, 961279), (31, 682198), (62, 341099), (121, 174778), (242, 87389), (341, 62018), (682, 31009), (2819, 7502), (3751, 5638)]