21326368

素因数分解:

$2^5\times 7^3\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:127

約数の個数: 96

約数和(自身を含む): 51408000

約数和(自身を除く): 30081632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 49, 56, 58, 67, 98, 112, 116, 134, 196, 203, 224, 232, 268, 343, 392, 406, 464, 469, 536, 686, 784, 812, 928, 938, 1072, 1372, 1421, 1568, 1624, 1876, 1943, 2144, 2744, 2842, 3248, 3283, 3752, 3886, 5488, 5684, 6496, 6566, 7504, 7772, 9947, 10976, 11368, 13132, 13601, 15008, 15544, 19894, 22736, 22981, 26264, 27202, 31088, 39788, 45472, 45962, 52528, 54404, 62176, 79576, 91924, 95207, 105056, 108808, 159152, 183848, 190414, 217616, 318304, 367696, 380828, 435232, 666449, 735392, 761656, 1332898, 1523312, 2665796, 3046624, 5331592, 10663184, 21326368]

約数ペア:

[(1, 21326368), (2, 10663184), (4, 5331592), (7, 3046624), (8, 2665796), (14, 1523312), (16, 1332898), (28, 761656), (29, 735392), (32, 666449), (49, 435232), (56, 380828), (58, 367696), (67, 318304), (98, 217616), (112, 190414), (116, 183848), (134, 159152), (196, 108808), (203, 105056), (224, 95207), (232, 91924), (268, 79576), (343, 62176), (392, 54404), (406, 52528), (464, 45962), (469, 45472), (536, 39788), (686, 31088), (784, 27202), (812, 26264), (928, 22981), (938, 22736), (1072, 19894), (1372, 15544), (1421, 15008), (1568, 13601), (1624, 13132), (1876, 11368), (1943, 10976), (2144, 9947), (2744, 7772), (2842, 7504), (3248, 6566), (3283, 6496), (3752, 5684), (3886, 5488)]