21479424

素因数分解:

$2^{14}\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:73

約数の個数: 120

約数和(自身を含む): 62912640

約数和(自身を除く): 41433216

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 23, 24, 32, 38, 46, 48, 57, 64, 69, 76, 92, 96, 114, 128, 138, 152, 184, 192, 228, 256, 276, 304, 368, 384, 437, 456, 512, 552, 608, 736, 768, 874, 912, 1024, 1104, 1216, 1311, 1472, 1536, 1748, 1824, 2048, 2208, 2432, 2622, 2944, 3072, 3496, 3648, 4096, 4416, 4864, 5244, 5888, 6144, 6992, 7296, 8192, 8832, 9728, 10488, 11776, 12288, 13984, 14592, 16384, 17664, 19456, 20976, 23552, 24576, 27968, 29184, 35328, 38912, 41952, 47104, 49152, 55936, 58368, 70656, 77824, 83904, 94208, 111872, 116736, 141312, 155648, 167808, 188416, 223744, 233472, 282624, 311296, 335616, 376832, 447488, 466944, 565248, 671232, 894976, 933888, 1130496, 1342464, 1789952, 2684928, 3579904, 5369856, 7159808, 10739712, 21479424]

約数ペア:

[(1, 21479424), (2, 10739712), (3, 7159808), (4, 5369856), (6, 3579904), (8, 2684928), (12, 1789952), (16, 1342464), (19, 1130496), (23, 933888), (24, 894976), (32, 671232), (38, 565248), (46, 466944), (48, 447488), (57, 376832), (64, 335616), (69, 311296), (76, 282624), (92, 233472), (96, 223744), (114, 188416), (128, 167808), (138, 155648), (152, 141312), (184, 116736), (192, 111872), (228, 94208), (256, 83904), (276, 77824), (304, 70656), (368, 58368), (384, 55936), (437, 49152), (456, 47104), (512, 41952), (552, 38912), (608, 35328), (736, 29184), (768, 27968), (874, 24576), (912, 23552), (1024, 20976), (1104, 19456), (1216, 17664), (1311, 16384), (1472, 14592), (1536, 13984), (1748, 12288), (1824, 11776), (2048, 10488), (2208, 9728), (2432, 8832), (2622, 8192), (2944, 7296), (3072, 6992), (3496, 6144), (3648, 5888), (4096, 5244), (4416, 4864)]