21836178945

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{230303}}^1$

素因数の和:230371

約数の個数: 72

約数和(自身を含む): 45052989696

約数和(自身を除く): 23216810751

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 43, 45, 49, 63, 105, 129, 147, 215, 245, 301, 315, 387, 441, 645, 735, 903, 1505, 1935, 2107, 2205, 2709, 4515, 6321, 10535, 13545, 18963, 31605, 94815, 230303, 690909, 1151515, 1612121, 2072727, 3454545, 4836363, 8060605, 9903029, 10363635, 11284847, 14509089, 24181815, 29709087, 33854541, 49515145, 56424235, 69321203, 72545445, 89127261, 101563623, 148545435, 169272705, 207963609, 346606015, 445636305, 485248421, 507818115, 623890827, 1039818045, 1455745263, 2426242105, 3119454135, 4367235789, 7278726315, 21836178945]

約数ペア:

[(1, 21836178945), (3, 7278726315), (5, 4367235789), (7, 3119454135), (9, 2426242105), (15, 1455745263), (21, 1039818045), (35, 623890827), (43, 507818115), (45, 485248421), (49, 445636305), (63, 346606015), (105, 207963609), (129, 169272705), (147, 148545435), (215, 101563623), (245, 89127261), (301, 72545445), (315, 69321203), (387, 56424235), (441, 49515145), (645, 33854541), (735, 29709087), (903, 24181815), (1505, 14509089), (1935, 11284847), (2107, 10363635), (2205, 9903029), (2709, 8060605), (4515, 4836363), (6321, 3454545), (10535, 2072727), (13545, 1612121), (18963, 1151515), (31605, 690909), (94815, 230303)]