21067354

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19543}}^1$

素因数の和:19570

約数の個数: 24

約数和(自身を含む): 40104288

約数和(自身を除く): 19036934

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 1078, 19543, 39086, 136801, 214973, 273602, 429946, 957607, 1504811, 1915214, 3009622, 10533677, 21067354]

約数ペア:

[(1, 21067354), (2, 10533677), (7, 3009622), (11, 1915214), (14, 1504811), (22, 957607), (49, 429946), (77, 273602), (98, 214973), (154, 136801), (539, 39086), (1078, 19543)]