21641472

素因数分解:

$2^8\times 3^3\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:157

約数の個数: 144

約数和(自身を含む): 66716160

約数和(自身を除く): 45074688

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, 101, 108, 124, 128, 144, 186, 192, 202, 216, 248, 256, 279, 288, 303, 372, 384, 404, 432, 496, 558, 576, 606, 744, 768, 808, 837, 864, 909, 992, 1116, 1152, 1212, 1488, 1616, 1674, 1728, 1818, 1984, 2232, 2304, 2424, 2727, 2976, 3131, 3232, 3348, 3456, 3636, 3968, 4464, 4848, 5454, 5952, 6262, 6464, 6696, 6912, 7272, 7936, 8928, 9393, 9696, 10908, 11904, 12524, 12928, 13392, 14544, 17856, 18786, 19392, 21816, 23808, 25048, 25856, 26784, 28179, 29088, 35712, 37572, 38784, 43632, 50096, 53568, 56358, 58176, 71424, 75144, 77568, 84537, 87264, 100192, 107136, 112716, 116352, 150288, 169074, 174528, 200384, 214272, 225432, 232704, 300576, 338148, 349056, 400768, 450864, 601152, 676296, 698112, 801536, 901728, 1202304, 1352592, 1803456, 2404608, 2705184, 3606912, 5410368, 7213824, 10820736, 21641472]

約数ペア:

[(1, 21641472), (2, 10820736), (3, 7213824), (4, 5410368), (6, 3606912), (8, 2705184), (9, 2404608), (12, 1803456), (16, 1352592), (18, 1202304), (24, 901728), (27, 801536), (31, 698112), (32, 676296), (36, 601152), (48, 450864), (54, 400768), (62, 349056), (64, 338148), (72, 300576), (93, 232704), (96, 225432), (101, 214272), (108, 200384), (124, 174528), (128, 169074), (144, 150288), (186, 116352), (192, 112716), (202, 107136), (216, 100192), (248, 87264), (256, 84537), (279, 77568), (288, 75144), (303, 71424), (372, 58176), (384, 56358), (404, 53568), (432, 50096), (496, 43632), (558, 38784), (576, 37572), (606, 35712), (744, 29088), (768, 28179), (808, 26784), (837, 25856), (864, 25048), (909, 23808), (992, 21816), (1116, 19392), (1152, 18786), (1212, 17856), (1488, 14544), (1616, 13392), (1674, 12928), (1728, 12524), (1818, 11904), (1984, 10908), (2232, 9696), (2304, 9393), (2424, 8928), (2727, 7936), (2976, 7272), (3131, 6912), (3232, 6696), (3348, 6464), (3456, 6262), (3636, 5952), (3968, 5454), (4464, 4848)]