21031296

素因数分解:

$2^7\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{383}}^1$

素因数の和:424

約数の個数: 128

約数和(自身を含む): 65802240

約数和(自身を除く): 44770944

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 22, 24, 26, 32, 33, 39, 44, 48, 52, 64, 66, 78, 88, 96, 104, 128, 132, 143, 156, 176, 192, 208, 264, 286, 312, 352, 383, 384, 416, 429, 528, 572, 624, 704, 766, 832, 858, 1056, 1144, 1149, 1248, 1408, 1532, 1664, 1716, 2112, 2288, 2298, 2496, 3064, 3432, 4213, 4224, 4576, 4596, 4979, 4992, 6128, 6864, 8426, 9152, 9192, 9958, 12256, 12639, 13728, 14937, 16852, 18304, 18384, 19916, 24512, 25278, 27456, 29874, 33704, 36768, 39832, 49024, 50556, 54769, 54912, 59748, 67408, 73536, 79664, 101112, 109538, 119496, 134816, 147072, 159328, 164307, 202224, 219076, 238992, 269632, 318656, 328614, 404448, 438152, 477984, 539264, 637312, 657228, 808896, 876304, 955968, 1314456, 1617792, 1752608, 1911936, 2628912, 3505216, 5257824, 7010432, 10515648, 21031296]

約数ペア:

[(1, 21031296), (2, 10515648), (3, 7010432), (4, 5257824), (6, 3505216), (8, 2628912), (11, 1911936), (12, 1752608), (13, 1617792), (16, 1314456), (22, 955968), (24, 876304), (26, 808896), (32, 657228), (33, 637312), (39, 539264), (44, 477984), (48, 438152), (52, 404448), (64, 328614), (66, 318656), (78, 269632), (88, 238992), (96, 219076), (104, 202224), (128, 164307), (132, 159328), (143, 147072), (156, 134816), (176, 119496), (192, 109538), (208, 101112), (264, 79664), (286, 73536), (312, 67408), (352, 59748), (383, 54912), (384, 54769), (416, 50556), (429, 49024), (528, 39832), (572, 36768), (624, 33704), (704, 29874), (766, 27456), (832, 25278), (858, 24512), (1056, 19916), (1144, 18384), (1149, 18304), (1248, 16852), (1408, 14937), (1532, 13728), (1664, 12639), (1716, 12256), (2112, 9958), (2288, 9192), (2298, 9152), (2496, 8426), (3064, 6864), (3432, 6128), (4213, 4992), (4224, 4979), (4576, 4596)]