21000949035

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{449}}^1\times {\mathrm{1103}}^1$

素因数の和:1828

約数の個数: 64

約数和(自身を含む): 36914227200

約数和(自身を除く): 15913278165

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 257, 449, 771, 1103, 1285, 1347, 2245, 2827, 3309, 3855, 4939, 5515, 6735, 8481, 12133, 14135, 14817, 16545, 24695, 36399, 42405, 60665, 74085, 115393, 181995, 283471, 346179, 495247, 576965, 850413, 1269323, 1417355, 1485741, 1730895, 2476235, 3118181, 3807969, 4252065, 5447717, 6346615, 7428705, 9354543, 15590905, 16343151, 19039845, 27238585, 46772715, 81715755, 127278479, 381835437, 636392395, 1400063269, 1909177185, 4200189807, 7000316345, 21000949035]

約数ペア:

[(1, 21000949035), (3, 7000316345), (5, 4200189807), (11, 1909177185), (15, 1400063269), (33, 636392395), (55, 381835437), (165, 127278479), (257, 81715755), (449, 46772715), (771, 27238585), (1103, 19039845), (1285, 16343151), (1347, 15590905), (2245, 9354543), (2827, 7428705), (3309, 6346615), (3855, 5447717), (4939, 4252065), (5515, 3807969), (6735, 3118181), (8481, 2476235), (12133, 1730895), (14135, 1485741), (14817, 1417355), (16545, 1269323), (24695, 850413), (36399, 576965), (42405, 495247), (60665, 346179), (74085, 283471), (115393, 181995)]