21489216

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{271}}^1$

素因数の和:352

約数の個数: 112

約数和(自身を含む): 66324480

約数和(自身を除く): 44835264

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 59, 64, 84, 96, 112, 118, 168, 177, 192, 224, 236, 271, 336, 354, 413, 448, 472, 542, 672, 708, 813, 826, 944, 1084, 1239, 1344, 1416, 1626, 1652, 1888, 1897, 2168, 2478, 2832, 3252, 3304, 3776, 3794, 4336, 4956, 5664, 5691, 6504, 6608, 7588, 8672, 9912, 11328, 11382, 13008, 13216, 15176, 15989, 17344, 19824, 22764, 26016, 26432, 30352, 31978, 39648, 45528, 47967, 52032, 60704, 63956, 79296, 91056, 95934, 111923, 121408, 127912, 182112, 191868, 223846, 255824, 335769, 364224, 383736, 447692, 511648, 671538, 767472, 895384, 1023296, 1343076, 1534944, 1790768, 2686152, 3069888, 3581536, 5372304, 7163072, 10744608, 21489216]

約数ペア:

[(1, 21489216), (2, 10744608), (3, 7163072), (4, 5372304), (6, 3581536), (7, 3069888), (8, 2686152), (12, 1790768), (14, 1534944), (16, 1343076), (21, 1023296), (24, 895384), (28, 767472), (32, 671538), (42, 511648), (48, 447692), (56, 383736), (59, 364224), (64, 335769), (84, 255824), (96, 223846), (112, 191868), (118, 182112), (168, 127912), (177, 121408), (192, 111923), (224, 95934), (236, 91056), (271, 79296), (336, 63956), (354, 60704), (413, 52032), (448, 47967), (472, 45528), (542, 39648), (672, 31978), (708, 30352), (813, 26432), (826, 26016), (944, 22764), (1084, 19824), (1239, 17344), (1344, 15989), (1416, 15176), (1626, 13216), (1652, 13008), (1888, 11382), (1897, 11328), (2168, 9912), (2478, 8672), (2832, 7588), (3252, 6608), (3304, 6504), (3776, 5691), (3794, 5664), (4336, 4956)]