21808864

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:248

約数の個数: 96

約数和(自身を含む): 54867456

約数和(自身を除く): 33058592

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 53, 56, 77, 88, 106, 112, 154, 167, 176, 212, 224, 308, 334, 352, 371, 424, 583, 616, 668, 742, 848, 1166, 1169, 1232, 1336, 1484, 1696, 1837, 2332, 2338, 2464, 2672, 2968, 3674, 4081, 4664, 4676, 5344, 5936, 7348, 8162, 8851, 9328, 9352, 11872, 12859, 14696, 16324, 17702, 18656, 18704, 25718, 29392, 32648, 35404, 37408, 51436, 58784, 61957, 65296, 70808, 97361, 102872, 123914, 130592, 141616, 194722, 205744, 247828, 283232, 389444, 411488, 495656, 681527, 778888, 991312, 1363054, 1557776, 1982624, 2726108, 3115552, 5452216, 10904432, 21808864]

約数ペア:

[(1, 21808864), (2, 10904432), (4, 5452216), (7, 3115552), (8, 2726108), (11, 1982624), (14, 1557776), (16, 1363054), (22, 991312), (28, 778888), (32, 681527), (44, 495656), (53, 411488), (56, 389444), (77, 283232), (88, 247828), (106, 205744), (112, 194722), (154, 141616), (167, 130592), (176, 123914), (212, 102872), (224, 97361), (308, 70808), (334, 65296), (352, 61957), (371, 58784), (424, 51436), (583, 37408), (616, 35404), (668, 32648), (742, 29392), (848, 25718), (1166, 18704), (1169, 18656), (1232, 17702), (1336, 16324), (1484, 14696), (1696, 12859), (1837, 11872), (2332, 9352), (2338, 9328), (2464, 8851), (2672, 8162), (2968, 7348), (3674, 5936), (4081, 5344), (4664, 4676)]