21176317

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{229}}^1$

素因数の和:436

約数の個数: 16

約数和(自身を含む): 23257600

約数和(自身を除く): 2081283

約数列:

[1, 19, 31, 157, 229, 589, 2983, 4351, 4867, 7099, 35953, 92473, 134881, 683107, 1114543, 21176317]

約数ペア:

[(1, 21176317), (19, 1114543), (31, 683107), (157, 134881), (229, 92473), (589, 35953), (2983, 7099), (4351, 4867)]