2051215971

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{2843}}^1$

素因数の和:2960

約数の個数: 64

約数和(自身を含む): 3459760128

約数和(自身を除く): 1408544157

約数列:

[1, 3, 7, 17, 21, 43, 47, 51, 119, 129, 141, 301, 329, 357, 731, 799, 903, 987, 2021, 2193, 2397, 2843, 5117, 5593, 6063, 8529, 14147, 15351, 16779, 19901, 34357, 42441, 48331, 59703, 103071, 122249, 133621, 144993, 240499, 338317, 366747, 400863, 721497, 855743, 935347, 1014951, 2078233, 2271557, 2567229, 2806041, 5745703, 6234699, 6814671, 14547631, 15900899, 17237109, 40219921, 43642893, 47702697, 97676951, 120659763, 293030853, 683738657, 2051215971]

約数ペア:

[(1, 2051215971), (3, 683738657), (7, 293030853), (17, 120659763), (21, 97676951), (43, 47702697), (47, 43642893), (51, 40219921), (119, 17237109), (129, 15900899), (141, 14547631), (301, 6814671), (329, 6234699), (357, 5745703), (731, 2806041), (799, 2567229), (903, 2271557), (987, 2078233), (2021, 1014951), (2193, 935347), (2397, 855743), (2843, 721497), (5117, 400863), (5593, 366747), (6063, 338317), (8529, 240499), (14147, 144993), (15351, 133621), (16779, 122249), (19901, 103071), (34357, 59703), (42441, 48331)]