21287232

素因数分解:

$2^6\times 3^3\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:245

約数の個数: 112

約数和(自身を含む): 63723520

約数和(自身を除く): 42436288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 97, 108, 127, 144, 192, 194, 216, 254, 288, 291, 381, 388, 432, 508, 576, 582, 762, 776, 864, 873, 1016, 1143, 1164, 1524, 1552, 1728, 1746, 2032, 2286, 2328, 2619, 3048, 3104, 3429, 3492, 4064, 4572, 4656, 5238, 6096, 6208, 6858, 6984, 8128, 9144, 9312, 10476, 12192, 12319, 13716, 13968, 18288, 18624, 20952, 24384, 24638, 27432, 27936, 36576, 36957, 41904, 49276, 54864, 55872, 73152, 73914, 83808, 98552, 109728, 110871, 147828, 167616, 197104, 219456, 221742, 295656, 332613, 394208, 443484, 591312, 665226, 788416, 886968, 1182624, 1330452, 1773936, 2365248, 2660904, 3547872, 5321808, 7095744, 10643616, 21287232]

約数ペア:

[(1, 21287232), (2, 10643616), (3, 7095744), (4, 5321808), (6, 3547872), (8, 2660904), (9, 2365248), (12, 1773936), (16, 1330452), (18, 1182624), (24, 886968), (27, 788416), (32, 665226), (36, 591312), (48, 443484), (54, 394208), (64, 332613), (72, 295656), (96, 221742), (97, 219456), (108, 197104), (127, 167616), (144, 147828), (192, 110871), (194, 109728), (216, 98552), (254, 83808), (288, 73914), (291, 73152), (381, 55872), (388, 54864), (432, 49276), (508, 41904), (576, 36957), (582, 36576), (762, 27936), (776, 27432), (864, 24638), (873, 24384), (1016, 20952), (1143, 18624), (1164, 18288), (1524, 13968), (1552, 13716), (1728, 12319), (1746, 12192), (2032, 10476), (2286, 9312), (2328, 9144), (2619, 8128), (3048, 6984), (3104, 6858), (3429, 6208), (3492, 6096), (4064, 5238), (4572, 4656)]