21013586

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{1223}}^1$

素因数の和:1318

約数の個数: 24

約数和(自身を含む): 35163072

約数和(自身を除く): 14149486

約数列:

[1, 2, 11, 22, 71, 121, 142, 242, 781, 1223, 1562, 2446, 8591, 13453, 17182, 26906, 86833, 147983, 173666, 295966, 955163, 1910326, 10506793, 21013586]

約数ペア:

[(1, 21013586), (2, 10506793), (11, 1910326), (22, 955163), (71, 295966), (121, 173666), (142, 147983), (242, 86833), (781, 26906), (1223, 17182), (1562, 13453), (2446, 8591)]