21440832

素因数分解:

$2^6\times 3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:125

約数の個数: 168

約数和(自身を含む): 68799456

約数和(自身を除く): 47358624

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 43, 48, 49, 53, 56, 64, 84, 86, 96, 98, 106, 112, 129, 147, 159, 168, 172, 192, 196, 212, 224, 258, 294, 301, 318, 336, 344, 371, 392, 424, 448, 516, 588, 602, 636, 672, 688, 742, 784, 848, 903, 1032, 1113, 1176, 1204, 1272, 1344, 1376, 1484, 1568, 1696, 1806, 2064, 2107, 2226, 2279, 2352, 2408, 2544, 2597, 2752, 2968, 3136, 3392, 3612, 4128, 4214, 4452, 4558, 4704, 4816, 5088, 5194, 5936, 6321, 6837, 7224, 7791, 8256, 8428, 8904, 9116, 9408, 9632, 10176, 10388, 11872, 12642, 13674, 14448, 15582, 15953, 16856, 17808, 18232, 19264, 20776, 23744, 25284, 27348, 28896, 31164, 31906, 33712, 35616, 36464, 41552, 47859, 50568, 54696, 57792, 62328, 63812, 67424, 71232, 72928, 83104, 95718, 101136, 109392, 111671, 124656, 127624, 134848, 145856, 166208, 191436, 202272, 218784, 223342, 249312, 255248, 335013, 382872, 404544, 437568, 446684, 498624, 510496, 670026, 765744, 893368, 1020992, 1340052, 1531488, 1786736, 2680104, 3062976, 3573472, 5360208, 7146944, 10720416, 21440832]

約数ペア:

[(1, 21440832), (2, 10720416), (3, 7146944), (4, 5360208), (6, 3573472), (7, 3062976), (8, 2680104), (12, 1786736), (14, 1531488), (16, 1340052), (21, 1020992), (24, 893368), (28, 765744), (32, 670026), (42, 510496), (43, 498624), (48, 446684), (49, 437568), (53, 404544), (56, 382872), (64, 335013), (84, 255248), (86, 249312), (96, 223342), (98, 218784), (106, 202272), (112, 191436), (129, 166208), (147, 145856), (159, 134848), (168, 127624), (172, 124656), (192, 111671), (196, 109392), (212, 101136), (224, 95718), (258, 83104), (294, 72928), (301, 71232), (318, 67424), (336, 63812), (344, 62328), (371, 57792), (392, 54696), (424, 50568), (448, 47859), (516, 41552), (588, 36464), (602, 35616), (636, 33712), (672, 31906), (688, 31164), (742, 28896), (784, 27348), (848, 25284), (903, 23744), (1032, 20776), (1113, 19264), (1176, 18232), (1204, 17808), (1272, 16856), (1344, 15953), (1376, 15582), (1484, 14448), (1568, 13674), (1696, 12642), (1806, 11872), (2064, 10388), (2107, 10176), (2226, 9632), (2279, 9408), (2352, 9116), (2408, 8904), (2544, 8428), (2597, 8256), (2752, 7791), (2968, 7224), (3136, 6837), (3392, 6321), (3612, 5936), (4128, 5194), (4214, 5088), (4452, 4816), (4558, 4704)]