21015024

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{487}}^1$

素因数の和:558

約数の個数: 80

約数和(自身を含む): 58091520

約数和(自身を除く): 37076496

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 31, 48, 58, 62, 87, 93, 116, 124, 174, 186, 232, 248, 348, 372, 464, 487, 496, 696, 744, 899, 974, 1392, 1461, 1488, 1798, 1948, 2697, 2922, 3596, 3896, 5394, 5844, 7192, 7792, 10788, 11688, 14123, 14384, 15097, 21576, 23376, 28246, 30194, 42369, 43152, 45291, 56492, 60388, 84738, 90582, 112984, 120776, 169476, 181164, 225968, 241552, 338952, 362328, 437813, 677904, 724656, 875626, 1313439, 1751252, 2626878, 3502504, 5253756, 7005008, 10507512, 21015024]

約数ペア:

[(1, 21015024), (2, 10507512), (3, 7005008), (4, 5253756), (6, 3502504), (8, 2626878), (12, 1751252), (16, 1313439), (24, 875626), (29, 724656), (31, 677904), (48, 437813), (58, 362328), (62, 338952), (87, 241552), (93, 225968), (116, 181164), (124, 169476), (174, 120776), (186, 112984), (232, 90582), (248, 84738), (348, 60388), (372, 56492), (464, 45291), (487, 43152), (496, 42369), (696, 30194), (744, 28246), (899, 23376), (974, 21576), (1392, 15097), (1461, 14384), (1488, 14123), (1798, 11688), (1948, 10788), (2697, 7792), (2922, 7192), (3596, 5844), (3896, 5394)]