21089952

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:203

約数の個数: 144

約数和(自身を含む): 66594528

約数和(自身を除く): 45504576

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 43, 48, 52, 72, 78, 86, 96, 104, 117, 129, 131, 144, 156, 172, 208, 234, 258, 262, 288, 312, 344, 387, 393, 416, 468, 516, 524, 559, 624, 688, 774, 786, 936, 1032, 1048, 1118, 1179, 1248, 1376, 1548, 1572, 1677, 1703, 1872, 2064, 2096, 2236, 2358, 3096, 3144, 3354, 3406, 3744, 4128, 4192, 4472, 4716, 5031, 5109, 5633, 6192, 6288, 6708, 6812, 8944, 9432, 10062, 10218, 11266, 12384, 12576, 13416, 13624, 15327, 16899, 17888, 18864, 20124, 20436, 22532, 26832, 27248, 30654, 33798, 37728, 40248, 40872, 45064, 50697, 53664, 54496, 61308, 67596, 73229, 80496, 81744, 90128, 101394, 122616, 135192, 146458, 160992, 163488, 180256, 202788, 219687, 245232, 270384, 292916, 405576, 439374, 490464, 540768, 585832, 659061, 811152, 878748, 1171664, 1318122, 1622304, 1757496, 2343328, 2636244, 3514992, 5272488, 7029984, 10544976, 21089952]

約数ペア:

[(1, 21089952), (2, 10544976), (3, 7029984), (4, 5272488), (6, 3514992), (8, 2636244), (9, 2343328), (12, 1757496), (13, 1622304), (16, 1318122), (18, 1171664), (24, 878748), (26, 811152), (32, 659061), (36, 585832), (39, 540768), (43, 490464), (48, 439374), (52, 405576), (72, 292916), (78, 270384), (86, 245232), (96, 219687), (104, 202788), (117, 180256), (129, 163488), (131, 160992), (144, 146458), (156, 135192), (172, 122616), (208, 101394), (234, 90128), (258, 81744), (262, 80496), (288, 73229), (312, 67596), (344, 61308), (387, 54496), (393, 53664), (416, 50697), (468, 45064), (516, 40872), (524, 40248), (559, 37728), (624, 33798), (688, 30654), (774, 27248), (786, 26832), (936, 22532), (1032, 20436), (1048, 20124), (1118, 18864), (1179, 17888), (1248, 16899), (1376, 15327), (1548, 13624), (1572, 13416), (1677, 12576), (1703, 12384), (1872, 11266), (2064, 10218), (2096, 10062), (2236, 9432), (2358, 8944), (3096, 6812), (3144, 6708), (3354, 6288), (3406, 6192), (3744, 5633), (4128, 5109), (4192, 5031), (4472, 4716)]