21019446

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3271}}^1$

素因数の和:3306

約数の個数: 64

約数和(自身を含む): 56540160

約数和(自身を除く): 35520714

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 27, 34, 42, 51, 54, 63, 102, 119, 126, 153, 189, 238, 306, 357, 378, 459, 714, 918, 1071, 2142, 3213, 3271, 6426, 6542, 9813, 19626, 22897, 29439, 45794, 55607, 58878, 68691, 88317, 111214, 137382, 166821, 176634, 206073, 333642, 389249, 412146, 500463, 618219, 778498, 1000926, 1167747, 1236438, 1501389, 2335494, 3002778, 3503241, 7006482, 10509723, 21019446]

約数ペア:

[(1, 21019446), (2, 10509723), (3, 7006482), (6, 3503241), (7, 3002778), (9, 2335494), (14, 1501389), (17, 1236438), (18, 1167747), (21, 1000926), (27, 778498), (34, 618219), (42, 500463), (51, 412146), (54, 389249), (63, 333642), (102, 206073), (119, 176634), (126, 166821), (153, 137382), (189, 111214), (238, 88317), (306, 68691), (357, 58878), (378, 55607), (459, 45794), (714, 29439), (918, 22897), (1071, 19626), (2142, 9813), (3213, 6542), (3271, 6426)]