21000966459

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{379}}^1\times {\mathrm{9277}}^1$

素因数の和:9851

約数の個数: 32

約数和(自身を含む): 30799991040

約数和(自身を除く): 9799024581

約数列:

[1, 3, 11, 33, 181, 379, 543, 1137, 1991, 4169, 5973, 9277, 12507, 27831, 68599, 102047, 205797, 306141, 754589, 1679137, 2263767, 3515983, 5037411, 10547949, 18470507, 38675813, 55411521, 116027439, 636392923, 1909178769, 7000322153, 21000966459]

約数ペア:

[(1, 21000966459), (3, 7000322153), (11, 1909178769), (33, 636392923), (181, 116027439), (379, 55411521), (543, 38675813), (1137, 18470507), (1991, 10547949), (4169, 5037411), (5973, 3515983), (9277, 2263767), (12507, 1679137), (27831, 754589), (68599, 306141), (102047, 205797)]