21000742011

素因数分解:

$3^2\times {\mathrm{353}}^1\times {\mathrm{1871}}^1\times {\mathrm{3533}}^1$

素因数の和:5763

約数の個数: 24

約数和(自身を含む): 30445212096

約数和(自身を除く): 9444470085

約数列:

[1, 3, 9, 353, 1059, 1871, 3177, 3533, 5613, 10599, 16839, 31797, 660463, 1247149, 1981389, 3741447, 5944167, 6610243, 11224341, 19830729, 59492187, 2333415779, 7000247337, 21000742011]

約数ペア:

[(1, 21000742011), (3, 7000247337), (9, 2333415779), (353, 59492187), (1059, 19830729), (1871, 11224341), (3177, 6610243), (3533, 5944167), (5613, 3741447), (10599, 1981389), (16839, 1247149), (31797, 660463)]