21297862

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{9851}}^1$

素因数の和:9923

約数の個数: 16

約数和(自身を含む): 34048512

約数和(自身を除く): 12750650

約数列:

[1, 2, 23, 46, 47, 94, 1081, 2162, 9851, 19702, 226573, 453146, 462997, 925994, 10648931, 21297862]

約数ペア:

[(1, 21297862), (2, 10648931), (23, 925994), (46, 462997), (47, 453146), (94, 226573), (1081, 19702), (2162, 9851)]