21379584

素因数分解:

$2^9\times 3^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1$

素因数の和:501

約数の個数: 80

約数和(自身を含む): 58924800

約数和(自身を除く): 37545216

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 124, 128, 186, 192, 248, 256, 372, 384, 449, 496, 512, 744, 768, 898, 992, 1347, 1488, 1536, 1796, 1984, 2694, 2976, 3592, 3968, 5388, 5952, 7184, 7936, 10776, 11904, 13919, 14368, 15872, 21552, 23808, 27838, 28736, 41757, 43104, 47616, 55676, 57472, 83514, 86208, 111352, 114944, 167028, 172416, 222704, 229888, 334056, 344832, 445408, 668112, 689664, 890816, 1336224, 1781632, 2672448, 3563264, 5344896, 7126528, 10689792, 21379584]

約数ペア:

[(1, 21379584), (2, 10689792), (3, 7126528), (4, 5344896), (6, 3563264), (8, 2672448), (12, 1781632), (16, 1336224), (24, 890816), (31, 689664), (32, 668112), (48, 445408), (62, 344832), (64, 334056), (93, 229888), (96, 222704), (124, 172416), (128, 167028), (186, 114944), (192, 111352), (248, 86208), (256, 83514), (372, 57472), (384, 55676), (449, 47616), (496, 43104), (512, 41757), (744, 28736), (768, 27838), (898, 23808), (992, 21552), (1347, 15872), (1488, 14368), (1536, 13919), (1796, 11904), (1984, 10776), (2694, 7936), (2976, 7184), (3592, 5952), (3968, 5388)]