21555504

素因数分解:

$2^4\times 3^3\times {\mathrm{41}}^1\times {\mathrm{1217}}^1$

素因数の和:1275

約数の個数: 80

約数和(自身を含む): 63433440

約数和(自身を除く): 41877936

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 41, 48, 54, 72, 82, 108, 123, 144, 164, 216, 246, 328, 369, 432, 492, 656, 738, 984, 1107, 1217, 1476, 1968, 2214, 2434, 2952, 3651, 4428, 4868, 5904, 7302, 8856, 9736, 10953, 14604, 17712, 19472, 21906, 29208, 32859, 43812, 49897, 58416, 65718, 87624, 99794, 131436, 149691, 175248, 199588, 262872, 299382, 399176, 449073, 525744, 598764, 798352, 898146, 1197528, 1347219, 1796292, 2395056, 2694438, 3592584, 5388876, 7185168, 10777752, 21555504]

約数ペア:

[(1, 21555504), (2, 10777752), (3, 7185168), (4, 5388876), (6, 3592584), (8, 2694438), (9, 2395056), (12, 1796292), (16, 1347219), (18, 1197528), (24, 898146), (27, 798352), (36, 598764), (41, 525744), (48, 449073), (54, 399176), (72, 299382), (82, 262872), (108, 199588), (123, 175248), (144, 149691), (164, 131436), (216, 99794), (246, 87624), (328, 65718), (369, 58416), (432, 49897), (492, 43812), (656, 32859), (738, 29208), (984, 21906), (1107, 19472), (1217, 17712), (1476, 14604), (1968, 10953), (2214, 9736), (2434, 8856), (2952, 7302), (3651, 5904), (4428, 4868)]