21238464

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:222

約数の個数: 112

約数和(自身を含む): 61902848

約数和(自身を除く): 40664384

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 67, 78, 96, 104, 127, 134, 156, 192, 201, 208, 254, 268, 312, 381, 402, 416, 508, 536, 624, 762, 804, 832, 871, 1016, 1072, 1248, 1524, 1608, 1651, 1742, 2032, 2144, 2496, 2613, 3048, 3216, 3302, 3484, 4064, 4288, 4953, 5226, 6096, 6432, 6604, 6968, 8128, 8509, 9906, 10452, 12192, 12864, 13208, 13936, 17018, 19812, 20904, 24384, 25527, 26416, 27872, 34036, 39624, 41808, 51054, 52832, 55744, 68072, 79248, 83616, 102108, 105664, 110617, 136144, 158496, 167232, 204216, 221234, 272288, 316992, 331851, 408432, 442468, 544576, 663702, 816864, 884936, 1327404, 1633728, 1769872, 2654808, 3539744, 5309616, 7079488, 10619232, 21238464]

約数ペア:

[(1, 21238464), (2, 10619232), (3, 7079488), (4, 5309616), (6, 3539744), (8, 2654808), (12, 1769872), (13, 1633728), (16, 1327404), (24, 884936), (26, 816864), (32, 663702), (39, 544576), (48, 442468), (52, 408432), (64, 331851), (67, 316992), (78, 272288), (96, 221234), (104, 204216), (127, 167232), (134, 158496), (156, 136144), (192, 110617), (201, 105664), (208, 102108), (254, 83616), (268, 79248), (312, 68072), (381, 55744), (402, 52832), (416, 51054), (508, 41808), (536, 39624), (624, 34036), (762, 27872), (804, 26416), (832, 25527), (871, 24384), (1016, 20904), (1072, 19812), (1248, 17018), (1524, 13936), (1608, 13208), (1651, 12864), (1742, 12192), (2032, 10452), (2144, 9906), (2496, 8509), (2613, 8128), (3048, 6968), (3216, 6604), (3302, 6432), (3484, 6096), (4064, 5226), (4288, 4953)]