21253298

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{56827}}^1$

素因数の和:56857

約数の個数: 16

約数和(自身を含む): 36824544

約数和(自身を除く): 15571246

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 56827, 113654, 625097, 966059, 1250194, 1932118, 10626649, 21253298]

約数ペア:

[(1, 21253298), (2, 10626649), (11, 1932118), (17, 1250194), (22, 966059), (34, 625097), (187, 113654), (374, 56827)]