21062846

素因数分解:

$2^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{1091}}^1$

素因数の和:1304

約数の個数: 24

約数和(自身を含む): 36972936

約数和(自身を除く): 15910090

約数列:

[1, 2, 7, 14, 49, 98, 197, 394, 1091, 1379, 2182, 2758, 7637, 9653, 15274, 19306, 53459, 106918, 214927, 429854, 1504489, 3008978, 10531423, 21062846]

約数ペア:

[(1, 21062846), (2, 10531423), (7, 3008978), (14, 1504489), (49, 429854), (98, 214927), (197, 106918), (394, 53459), (1091, 19306), (1379, 15274), (2182, 9653), (2758, 7637)]