21480768

素因数分解:

$2^6\times 3^3\times {\mathrm{31}}^1\times {\mathrm{401}}^1$

素因数の和:453

約数の個数: 112

約数和(自身を含む): 65349120

約数和(自身を除く): 43868352

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 32, 36, 48, 54, 62, 64, 72, 93, 96, 108, 124, 144, 186, 192, 216, 248, 279, 288, 372, 401, 432, 496, 558, 576, 744, 802, 837, 864, 992, 1116, 1203, 1488, 1604, 1674, 1728, 1984, 2232, 2406, 2976, 3208, 3348, 3609, 4464, 4812, 5952, 6416, 6696, 7218, 8928, 9624, 10827, 12431, 12832, 13392, 14436, 17856, 19248, 21654, 24862, 25664, 26784, 28872, 37293, 38496, 43308, 49724, 53568, 57744, 74586, 76992, 86616, 99448, 111879, 115488, 149172, 173232, 198896, 223758, 230976, 298344, 335637, 346464, 397792, 447516, 596688, 671274, 692928, 795584, 895032, 1193376, 1342548, 1790064, 2386752, 2685096, 3580128, 5370192, 7160256, 10740384, 21480768]

約数ペア:

[(1, 21480768), (2, 10740384), (3, 7160256), (4, 5370192), (6, 3580128), (8, 2685096), (9, 2386752), (12, 1790064), (16, 1342548), (18, 1193376), (24, 895032), (27, 795584), (31, 692928), (32, 671274), (36, 596688), (48, 447516), (54, 397792), (62, 346464), (64, 335637), (72, 298344), (93, 230976), (96, 223758), (108, 198896), (124, 173232), (144, 149172), (186, 115488), (192, 111879), (216, 99448), (248, 86616), (279, 76992), (288, 74586), (372, 57744), (401, 53568), (432, 49724), (496, 43308), (558, 38496), (576, 37293), (744, 28872), (802, 26784), (837, 25664), (864, 24862), (992, 21654), (1116, 19248), (1203, 17856), (1488, 14436), (1604, 13392), (1674, 12832), (1728, 12431), (1984, 10827), (2232, 9624), (2406, 8928), (2976, 7218), (3208, 6696), (3348, 6416), (3609, 5952), (4464, 4812)]