21580992

素因数分解:

$2^6\times 3^4\times {\mathrm{23}}^1\times {\mathrm{181}}^1$

素因数の和:228

約数の個数: 140

約数和(自身を含む): 67123056

約数和(自身を除く): 45542064

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 32, 36, 46, 48, 54, 64, 69, 72, 81, 92, 96, 108, 138, 144, 162, 181, 184, 192, 207, 216, 276, 288, 324, 362, 368, 414, 432, 543, 552, 576, 621, 648, 724, 736, 828, 864, 1086, 1104, 1242, 1296, 1448, 1472, 1629, 1656, 1728, 1863, 2172, 2208, 2484, 2592, 2896, 3258, 3312, 3726, 4163, 4344, 4416, 4887, 4968, 5184, 5792, 6516, 6624, 7452, 8326, 8688, 9774, 9936, 11584, 12489, 13032, 13248, 14661, 14904, 16652, 17376, 19548, 19872, 24978, 26064, 29322, 29808, 33304, 34752, 37467, 39096, 39744, 49956, 52128, 58644, 59616, 66608, 74934, 78192, 99912, 104256, 112401, 117288, 119232, 133216, 149868, 156384, 199824, 224802, 234576, 266432, 299736, 312768, 337203, 399648, 449604, 469152, 599472, 674406, 799296, 899208, 938304, 1198944, 1348812, 1798416, 2397888, 2697624, 3596832, 5395248, 7193664, 10790496, 21580992]

約数ペア:

[(1, 21580992), (2, 10790496), (3, 7193664), (4, 5395248), (6, 3596832), (8, 2697624), (9, 2397888), (12, 1798416), (16, 1348812), (18, 1198944), (23, 938304), (24, 899208), (27, 799296), (32, 674406), (36, 599472), (46, 469152), (48, 449604), (54, 399648), (64, 337203), (69, 312768), (72, 299736), (81, 266432), (92, 234576), (96, 224802), (108, 199824), (138, 156384), (144, 149868), (162, 133216), (181, 119232), (184, 117288), (192, 112401), (207, 104256), (216, 99912), (276, 78192), (288, 74934), (324, 66608), (362, 59616), (368, 58644), (414, 52128), (432, 49956), (543, 39744), (552, 39096), (576, 37467), (621, 34752), (648, 33304), (724, 29808), (736, 29322), (828, 26064), (864, 24978), (1086, 19872), (1104, 19548), (1242, 17376), (1296, 16652), (1448, 14904), (1472, 14661), (1629, 13248), (1656, 13032), (1728, 12489), (1863, 11584), (2172, 9936), (2208, 9774), (2484, 8688), (2592, 8326), (2896, 7452), (3258, 6624), (3312, 6516), (3726, 5792), (4163, 5184), (4344, 4968), (4416, 4887)]