21004742

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{8923}}^1$

素因数の和:9043

約数の個数: 16

約数和(自身を含む): 34696512

約数和(自身を除く): 13691770

約数列:

[1, 2, 11, 22, 107, 214, 1177, 2354, 8923, 17846, 98153, 196306, 954761, 1909522, 10502371, 21004742]

約数ペア:

[(1, 21004742), (2, 10502371), (11, 1909522), (22, 954761), (107, 196306), (214, 98153), (1177, 17846), (2354, 8923)]