21267792

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{541}}^1$

素因数の和:578

約数の個数: 160

約数和(自身を含む): 75272960

約数和(自身を除く): 54005168

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 27, 28, 36, 39, 42, 48, 52, 54, 56, 63, 72, 78, 84, 91, 104, 108, 112, 117, 126, 144, 156, 168, 182, 189, 208, 216, 234, 252, 273, 312, 336, 351, 364, 378, 432, 468, 504, 541, 546, 624, 702, 728, 756, 819, 936, 1008, 1082, 1092, 1404, 1456, 1512, 1623, 1638, 1872, 2164, 2184, 2457, 2808, 3024, 3246, 3276, 3787, 4328, 4368, 4869, 4914, 5616, 6492, 6552, 7033, 7574, 8656, 9738, 9828, 11361, 12984, 13104, 14066, 14607, 15148, 19476, 19656, 21099, 22722, 25968, 28132, 29214, 30296, 34083, 38952, 39312, 42198, 45444, 49231, 56264, 58428, 60592, 63297, 68166, 77904, 84396, 90888, 98462, 102249, 112528, 116856, 126594, 136332, 147693, 168792, 181776, 189891, 196924, 204498, 233712, 253188, 272664, 295386, 337584, 379782, 393848, 408996, 443079, 506376, 545328, 590772, 759564, 787696, 817992, 886158, 1012752, 1181544, 1329237, 1519128, 1635984, 1772316, 2363088, 2658474, 3038256, 3544632, 5316948, 7089264, 10633896, 21267792]

約数ペア:

[(1, 21267792), (2, 10633896), (3, 7089264), (4, 5316948), (6, 3544632), (7, 3038256), (8, 2658474), (9, 2363088), (12, 1772316), (13, 1635984), (14, 1519128), (16, 1329237), (18, 1181544), (21, 1012752), (24, 886158), (26, 817992), (27, 787696), (28, 759564), (36, 590772), (39, 545328), (42, 506376), (48, 443079), (52, 408996), (54, 393848), (56, 379782), (63, 337584), (72, 295386), (78, 272664), (84, 253188), (91, 233712), (104, 204498), (108, 196924), (112, 189891), (117, 181776), (126, 168792), (144, 147693), (156, 136332), (168, 126594), (182, 116856), (189, 112528), (208, 102249), (216, 98462), (234, 90888), (252, 84396), (273, 77904), (312, 68166), (336, 63297), (351, 60592), (364, 58428), (378, 56264), (432, 49231), (468, 45444), (504, 42198), (541, 39312), (546, 38952), (624, 34083), (702, 30296), (728, 29214), (756, 28132), (819, 25968), (936, 22722), (1008, 21099), (1082, 19656), (1092, 19476), (1404, 15148), (1456, 14607), (1512, 14066), (1623, 13104), (1638, 12984), (1872, 11361), (2164, 9828), (2184, 9738), (2457, 8656), (2808, 7574), (3024, 7033), (3246, 6552), (3276, 6492), (3787, 5616), (4328, 4914), (4368, 4869)]