21000202

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{8461}}^1$

素因数の和:8553

約数の個数: 16

約数和(自身を含む): 33814152

約数和(自身を除く): 12813950

約数列:

[1, 2, 17, 34, 73, 146, 1241, 2482, 8461, 16922, 143837, 287674, 617653, 1235306, 10500101, 21000202]

約数ペア:

[(1, 21000202), (2, 10500101), (17, 1235306), (34, 617653), (73, 287674), (146, 143837), (1241, 16922), (2482, 8461)]