21313152

素因数分解:

$2^7\times 3^3\times 7^1\times {\mathrm{881}}^1$

素因数の和:911

約数の個数: 128

約数和(自身を含む): 71971200

約数和(自身を除く): 50658048

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 84, 96, 108, 112, 126, 128, 144, 168, 189, 192, 216, 224, 252, 288, 336, 378, 384, 432, 448, 504, 576, 672, 756, 864, 881, 896, 1008, 1152, 1344, 1512, 1728, 1762, 2016, 2643, 2688, 3024, 3456, 3524, 4032, 5286, 6048, 6167, 7048, 7929, 8064, 10572, 12096, 12334, 14096, 15858, 18501, 21144, 23787, 24192, 24668, 28192, 31716, 37002, 42288, 47574, 49336, 55503, 56384, 63432, 74004, 84576, 95148, 98672, 111006, 112768, 126864, 148008, 166509, 169152, 190296, 197344, 222012, 253728, 296016, 333018, 338304, 380592, 394688, 444024, 507456, 592032, 666036, 761184, 789376, 888048, 1014912, 1184064, 1332072, 1522368, 1776096, 2368128, 2664144, 3044736, 3552192, 5328288, 7104384, 10656576, 21313152]

約数ペア:

[(1, 21313152), (2, 10656576), (3, 7104384), (4, 5328288), (6, 3552192), (7, 3044736), (8, 2664144), (9, 2368128), (12, 1776096), (14, 1522368), (16, 1332072), (18, 1184064), (21, 1014912), (24, 888048), (27, 789376), (28, 761184), (32, 666036), (36, 592032), (42, 507456), (48, 444024), (54, 394688), (56, 380592), (63, 338304), (64, 333018), (72, 296016), (84, 253728), (96, 222012), (108, 197344), (112, 190296), (126, 169152), (128, 166509), (144, 148008), (168, 126864), (189, 112768), (192, 111006), (216, 98672), (224, 95148), (252, 84576), (288, 74004), (336, 63432), (378, 56384), (384, 55503), (432, 49336), (448, 47574), (504, 42288), (576, 37002), (672, 31716), (756, 28192), (864, 24668), (881, 24192), (896, 23787), (1008, 21144), (1152, 18501), (1344, 15858), (1512, 14096), (1728, 12334), (1762, 12096), (2016, 10572), (2643, 8064), (2688, 7929), (3024, 7048), (3456, 6167), (3524, 6048), (4032, 5286)]