21326043669

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{449149}}^1$

素因数の和:449202

約数の個数: 48

約数和(自身を含む): 36866232000

約数和(自身を除く): 15540188331

約数列:

[1, 3, 7, 17, 19, 21, 49, 51, 57, 119, 133, 147, 323, 357, 399, 833, 931, 969, 2261, 2499, 2793, 6783, 15827, 47481, 449149, 1347447, 3144043, 7635533, 8533831, 9432129, 22008301, 22906599, 25601493, 53448731, 59736817, 66024903, 145075127, 160346193, 179210451, 374141117, 418157719, 435225381, 1015525889, 1122423351, 1254473157, 3046577667, 7108681223, 21326043669]

約数ペア:

[(1, 21326043669), (3, 7108681223), (7, 3046577667), (17, 1254473157), (19, 1122423351), (21, 1015525889), (49, 435225381), (51, 418157719), (57, 374141117), (119, 179210451), (133, 160346193), (147, 145075127), (323, 66024903), (357, 59736817), (399, 53448731), (833, 25601493), (931, 22906599), (969, 22008301), (2261, 9432129), (2499, 8533831), (2793, 7635533), (6783, 3144043), (15827, 1347447), (47481, 449149)]