21040186

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{4517}}^1$

素因数の和:4673

約数の個数: 16

約数和(自身を含む): 33668136

約数和(自身を除く): 12627950

約数列:

[1, 2, 17, 34, 137, 274, 2329, 4517, 4658, 9034, 76789, 153578, 618829, 1237658, 10520093, 21040186]

約数ペア:

[(1, 21040186), (2, 10520093), (17, 1237658), (34, 618829), (137, 153578), (274, 76789), (2329, 9034), (4517, 4658)]