21955248

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{947}}^1$

素因数の和:991

約数の個数: 120

約数和(自身を含む): 73352448

約数和(自身を除く): 51397200

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 28, 36, 42, 46, 48, 56, 63, 69, 72, 84, 92, 112, 126, 138, 144, 161, 168, 184, 207, 252, 276, 322, 336, 368, 414, 483, 504, 552, 644, 828, 947, 966, 1008, 1104, 1288, 1449, 1656, 1894, 1932, 2576, 2841, 2898, 3312, 3788, 3864, 5682, 5796, 6629, 7576, 7728, 8523, 11364, 11592, 13258, 15152, 17046, 19887, 21781, 22728, 23184, 26516, 34092, 39774, 43562, 45456, 53032, 59661, 65343, 68184, 79548, 87124, 106064, 119322, 130686, 136368, 152467, 159096, 174248, 196029, 238644, 261372, 304934, 318192, 348496, 392058, 457401, 477288, 522744, 609868, 784116, 914802, 954576, 1045488, 1219736, 1372203, 1568232, 1829604, 2439472, 2744406, 3136464, 3659208, 5488812, 7318416, 10977624, 21955248]

約数ペア:

[(1, 21955248), (2, 10977624), (3, 7318416), (4, 5488812), (6, 3659208), (7, 3136464), (8, 2744406), (9, 2439472), (12, 1829604), (14, 1568232), (16, 1372203), (18, 1219736), (21, 1045488), (23, 954576), (24, 914802), (28, 784116), (36, 609868), (42, 522744), (46, 477288), (48, 457401), (56, 392058), (63, 348496), (69, 318192), (72, 304934), (84, 261372), (92, 238644), (112, 196029), (126, 174248), (138, 159096), (144, 152467), (161, 136368), (168, 130686), (184, 119322), (207, 106064), (252, 87124), (276, 79548), (322, 68184), (336, 65343), (368, 59661), (414, 53032), (483, 45456), (504, 43562), (552, 39774), (644, 34092), (828, 26516), (947, 23184), (966, 22728), (1008, 21781), (1104, 19887), (1288, 17046), (1449, 15152), (1656, 13258), (1894, 11592), (1932, 11364), (2576, 8523), (2841, 7728), (2898, 7576), (3312, 6629), (3788, 5796), (3864, 5682)]