21262176

素因数分解:

$2^5\times 3^4\times {\mathrm{13}}^1\times {\mathrm{631}}^1$

素因数の和:666

約数の個数: 120

約数和(自身を含む): 67448304

約数和(自身を除く): 46186128

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 72, 78, 81, 96, 104, 108, 117, 144, 156, 162, 208, 216, 234, 288, 312, 324, 351, 416, 432, 468, 624, 631, 648, 702, 864, 936, 1053, 1248, 1262, 1296, 1404, 1872, 1893, 2106, 2524, 2592, 2808, 3744, 3786, 4212, 5048, 5616, 5679, 7572, 8203, 8424, 10096, 11232, 11358, 15144, 16406, 16848, 17037, 20192, 22716, 24609, 30288, 32812, 33696, 34074, 45432, 49218, 51111, 60576, 65624, 68148, 73827, 90864, 98436, 102222, 131248, 136296, 147654, 181728, 196872, 204444, 221481, 262496, 272592, 295308, 393744, 408888, 442962, 545184, 590616, 664443, 787488, 817776, 885924, 1181232, 1328886, 1635552, 1771848, 2362464, 2657772, 3543696, 5315544, 7087392, 10631088, 21262176]

約数ペア:

[(1, 21262176), (2, 10631088), (3, 7087392), (4, 5315544), (6, 3543696), (8, 2657772), (9, 2362464), (12, 1771848), (13, 1635552), (16, 1328886), (18, 1181232), (24, 885924), (26, 817776), (27, 787488), (32, 664443), (36, 590616), (39, 545184), (48, 442962), (52, 408888), (54, 393744), (72, 295308), (78, 272592), (81, 262496), (96, 221481), (104, 204444), (108, 196872), (117, 181728), (144, 147654), (156, 136296), (162, 131248), (208, 102222), (216, 98436), (234, 90864), (288, 73827), (312, 68148), (324, 65624), (351, 60576), (416, 51111), (432, 49218), (468, 45432), (624, 34074), (631, 33696), (648, 32812), (702, 30288), (864, 24609), (936, 22716), (1053, 20192), (1248, 17037), (1262, 16848), (1296, 16406), (1404, 15144), (1872, 11358), (1893, 11232), (2106, 10096), (2524, 8424), (2592, 8203), (2808, 7572), (3744, 5679), (3786, 5616), (4212, 5048)]