21859552

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1$

素因数の和:332

約数の個数: 96

約数和(自身を含む): 53724384

約数和(自身を除く): 31864832

約数列:

[1, 2, 4, 8, 11, 13, 16, 17, 22, 26, 32, 34, 44, 52, 68, 88, 104, 136, 143, 176, 187, 208, 221, 272, 281, 286, 352, 374, 416, 442, 544, 562, 572, 748, 884, 1124, 1144, 1496, 1768, 2248, 2288, 2431, 2992, 3091, 3536, 3653, 4496, 4576, 4777, 4862, 5984, 6182, 7072, 7306, 8992, 9554, 9724, 12364, 14612, 19108, 19448, 24728, 29224, 38216, 38896, 40183, 49456, 52547, 58448, 62101, 76432, 77792, 80366, 98912, 105094, 116896, 124202, 152864, 160732, 210188, 248404, 321464, 420376, 496808, 642928, 683111, 840752, 993616, 1285856, 1366222, 1681504, 1987232, 2732444, 5464888, 10929776, 21859552]

約数ペア:

[(1, 21859552), (2, 10929776), (4, 5464888), (8, 2732444), (11, 1987232), (13, 1681504), (16, 1366222), (17, 1285856), (22, 993616), (26, 840752), (32, 683111), (34, 642928), (44, 496808), (52, 420376), (68, 321464), (88, 248404), (104, 210188), (136, 160732), (143, 152864), (176, 124202), (187, 116896), (208, 105094), (221, 98912), (272, 80366), (281, 77792), (286, 76432), (352, 62101), (374, 58448), (416, 52547), (442, 49456), (544, 40183), (562, 38896), (572, 38216), (748, 29224), (884, 24728), (1124, 19448), (1144, 19108), (1496, 14612), (1768, 12364), (2248, 9724), (2288, 9554), (2431, 8992), (2992, 7306), (3091, 7072), (3536, 6182), (3653, 5984), (4496, 4862), (4576, 4777)]