21166334665

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^2\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:307

約数の個数: 96

約数和(自身を含む): 31167763200

約数和(自身を除く): 10001428535

約数列:

[1, 5, 7, 35, 41, 53, 59, 89, 205, 265, 287, 295, 371, 413, 445, 623, 1435, 1855, 2065, 2173, 2419, 2809, 3115, 3127, 3649, 4717, 5251, 10865, 12095, 14045, 15211, 15635, 16933, 18245, 19663, 21889, 23585, 25543, 26255, 33019, 36757, 76055, 84665, 98315, 109445, 115169, 127715, 128207, 165095, 165731, 183785, 193397, 215291, 250001, 278303, 575845, 641035, 806183, 828655, 897449, 966985, 1076455, 1160117, 1250005, 1353779, 1391515, 1507037, 1750007, 1948121, 4030915, 4487245, 5800585, 6768895, 6794971, 7535185, 8750035, 9740605, 10250041, 11410423, 14750059, 33974855, 47564797, 51250205, 57052115, 71750287, 73750295, 79872961, 103250413, 237823985, 358751435, 399364805, 516252065, 604752419, 3023762095, 4233266933, 21166334665]

約数ペア:

[(1, 21166334665), (5, 4233266933), (7, 3023762095), (35, 604752419), (41, 516252065), (53, 399364805), (59, 358751435), (89, 237823985), (205, 103250413), (265, 79872961), (287, 73750295), (295, 71750287), (371, 57052115), (413, 51250205), (445, 47564797), (623, 33974855), (1435, 14750059), (1855, 11410423), (2065, 10250041), (2173, 9740605), (2419, 8750035), (2809, 7535185), (3115, 6794971), (3127, 6768895), (3649, 5800585), (4717, 4487245), (5251, 4030915), (10865, 1948121), (12095, 1750007), (14045, 1507037), (15211, 1391515), (15635, 1353779), (16933, 1250005), (18245, 1160117), (19663, 1076455), (21889, 966985), (23585, 897449), (25543, 828655), (26255, 806183), (33019, 641035), (36757, 575845), (76055, 278303), (84665, 250001), (98315, 215291), (109445, 193397), (115169, 183785), (127715, 165731), (128207, 165095)]