21564264

素因数分解:

$2^3\times 3^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:322

約数の個数: 64

約数和(自身を含む): 55742400

約数和(自身を除く): 34178136

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 59, 97, 118, 157, 177, 194, 236, 291, 314, 354, 388, 471, 472, 582, 628, 708, 776, 942, 1164, 1256, 1416, 1884, 2328, 3768, 5723, 9263, 11446, 15229, 17169, 18526, 22892, 27789, 30458, 34338, 37052, 45687, 45784, 55578, 60916, 68676, 74104, 91374, 111156, 121832, 137352, 182748, 222312, 365496, 898511, 1797022, 2695533, 3594044, 5391066, 7188088, 10782132, 21564264]

約数ペア:

[(1, 21564264), (2, 10782132), (3, 7188088), (4, 5391066), (6, 3594044), (8, 2695533), (12, 1797022), (24, 898511), (59, 365496), (97, 222312), (118, 182748), (157, 137352), (177, 121832), (194, 111156), (236, 91374), (291, 74104), (314, 68676), (354, 60916), (388, 55578), (471, 45784), (472, 45687), (582, 37052), (628, 34338), (708, 30458), (776, 27789), (942, 22892), (1164, 18526), (1256, 17169), (1416, 15229), (1884, 11446), (2328, 9263), (3768, 5723)]