21000657656

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{95191}}^1$

素因数の和:95340

約数の個数: 64

約数和(自身を含む): 45235238400

約数和(自身を除く): 24234580744

約数列:

[1, 2, 4, 8, 11, 22, 23, 44, 46, 88, 92, 109, 184, 218, 253, 436, 506, 872, 1012, 1199, 2024, 2398, 2507, 4796, 5014, 9592, 10028, 20056, 27577, 55154, 95191, 110308, 190382, 220616, 380764, 761528, 1047101, 2094202, 2189393, 4188404, 4378786, 8376808, 8757572, 10375819, 17515144, 20751638, 24083323, 41503276, 48166646, 83006552, 96333292, 114134009, 192666584, 228268018, 238643837, 456536036, 477287674, 913072072, 954575348, 1909150696, 2625082207, 5250164414, 10500328828, 21000657656]

約数ペア:

[(1, 21000657656), (2, 10500328828), (4, 5250164414), (8, 2625082207), (11, 1909150696), (22, 954575348), (23, 913072072), (44, 477287674), (46, 456536036), (88, 238643837), (92, 228268018), (109, 192666584), (184, 114134009), (218, 96333292), (253, 83006552), (436, 48166646), (506, 41503276), (872, 24083323), (1012, 20751638), (1199, 17515144), (2024, 10375819), (2398, 8757572), (2507, 8376808), (4796, 4378786), (5014, 4188404), (9592, 2189393), (10028, 2094202), (20056, 1047101), (27577, 761528), (55154, 380764), (95191, 220616), (110308, 190382)]