21644854

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{140551}}^1$

素因数の和:140571

約数の個数: 16

約数和(自身を含む): 40478976

約数和(自身を除く): 18834122

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 140551, 281102, 983857, 1546061, 1967714, 3092122, 10822427, 21644854]

約数ペア:

[(1, 21644854), (2, 10822427), (7, 3092122), (11, 1967714), (14, 1546061), (22, 983857), (77, 281102), (154, 140551)]