21019488

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1009}}^1$

素因数の和:1060

約数の個数: 96

約数和(自身を含む): 65157120

約数和(自身を除く): 44137632

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 48, 56, 62, 84, 93, 96, 112, 124, 168, 186, 217, 224, 248, 336, 372, 434, 496, 651, 672, 744, 868, 992, 1009, 1302, 1488, 1736, 2018, 2604, 2976, 3027, 3472, 4036, 5208, 6054, 6944, 7063, 8072, 10416, 12108, 14126, 16144, 20832, 21189, 24216, 28252, 31279, 32288, 42378, 48432, 56504, 62558, 84756, 93837, 96864, 113008, 125116, 169512, 187674, 218953, 226016, 250232, 339024, 375348, 437906, 500464, 656859, 678048, 750696, 875812, 1000928, 1313718, 1501392, 1751624, 2627436, 3002784, 3503248, 5254872, 7006496, 10509744, 21019488]

約数ペア:

[(1, 21019488), (2, 10509744), (3, 7006496), (4, 5254872), (6, 3503248), (7, 3002784), (8, 2627436), (12, 1751624), (14, 1501392), (16, 1313718), (21, 1000928), (24, 875812), (28, 750696), (31, 678048), (32, 656859), (42, 500464), (48, 437906), (56, 375348), (62, 339024), (84, 250232), (93, 226016), (96, 218953), (112, 187674), (124, 169512), (168, 125116), (186, 113008), (217, 96864), (224, 93837), (248, 84756), (336, 62558), (372, 56504), (434, 48432), (496, 42378), (651, 32288), (672, 31279), (744, 28252), (868, 24216), (992, 21189), (1009, 20832), (1302, 16144), (1488, 14126), (1736, 12108), (2018, 10416), (2604, 8072), (2976, 7063), (3027, 6944), (3472, 6054), (4036, 5208)]