21041328

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5693}}^1$

素因数の和:5722

約数の個数: 80

約数和(自身を含む): 67781376

約数和(自身を除く): 46740048

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 33, 42, 44, 48, 56, 66, 77, 84, 88, 112, 132, 154, 168, 176, 231, 264, 308, 336, 462, 528, 616, 924, 1232, 1848, 3696, 5693, 11386, 17079, 22772, 34158, 39851, 45544, 62623, 68316, 79702, 91088, 119553, 125246, 136632, 159404, 187869, 239106, 250492, 273264, 318808, 375738, 438361, 478212, 500984, 637616, 751476, 876722, 956424, 1001968, 1315083, 1502952, 1753444, 1912848, 2630166, 3005904, 3506888, 5260332, 7013776, 10520664, 21041328]

約数ペア:

[(1, 21041328), (2, 10520664), (3, 7013776), (4, 5260332), (6, 3506888), (7, 3005904), (8, 2630166), (11, 1912848), (12, 1753444), (14, 1502952), (16, 1315083), (21, 1001968), (22, 956424), (24, 876722), (28, 751476), (33, 637616), (42, 500984), (44, 478212), (48, 438361), (56, 375738), (66, 318808), (77, 273264), (84, 250492), (88, 239106), (112, 187869), (132, 159404), (154, 136632), (168, 125246), (176, 119553), (231, 91088), (264, 79702), (308, 68316), (336, 62623), (462, 45544), (528, 39851), (616, 34158), (924, 22772), (1232, 17079), (1848, 11386), (3696, 5693)]