1821126090

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{81047}}^1$

素因数の和:81171

約数の個数: 64

約数和(自身を含む): 5041833984

約数和(自身を除く): 3220707894

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 107, 210, 214, 321, 535, 642, 749, 1070, 1498, 1605, 2247, 3210, 3745, 4494, 7490, 11235, 22470, 81047, 162094, 243141, 405235, 486282, 567329, 810470, 1134658, 1215705, 1701987, 2431410, 2836645, 3403974, 5673290, 8509935, 8672029, 17019870, 17344058, 26016087, 43360145, 52032174, 60704203, 86720290, 121408406, 130080435, 182112609, 260160870, 303521015, 364225218, 607042030, 910563045, 1821126090]

約数ペア:

[(1, 1821126090), (2, 910563045), (3, 607042030), (5, 364225218), (6, 303521015), (7, 260160870), (10, 182112609), (14, 130080435), (15, 121408406), (21, 86720290), (30, 60704203), (35, 52032174), (42, 43360145), (70, 26016087), (105, 17344058), (107, 17019870), (210, 8672029), (214, 8509935), (321, 5673290), (535, 3403974), (642, 2836645), (749, 2431410), (1070, 1701987), (1498, 1215705), (1605, 1134658), (2247, 810470), (3210, 567329), (3745, 486282), (4494, 405235), (7490, 243141), (11235, 162094), (22470, 81047)]