21756672

素因数分解:

$2^8\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:119

約数の個数: 216

約数和(自身を含む): 76527360

約数和(自身を除く): 54770688

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 28, 32, 36, 38, 42, 48, 56, 57, 63, 64, 71, 72, 76, 84, 96, 112, 114, 126, 128, 133, 142, 144, 152, 168, 171, 192, 213, 224, 228, 252, 256, 266, 284, 288, 304, 336, 342, 384, 399, 426, 448, 456, 497, 504, 532, 568, 576, 608, 639, 672, 684, 768, 798, 852, 896, 912, 994, 1008, 1064, 1136, 1152, 1197, 1216, 1278, 1344, 1349, 1368, 1491, 1596, 1704, 1792, 1824, 1988, 2016, 2128, 2272, 2304, 2394, 2432, 2556, 2688, 2698, 2736, 2982, 3192, 3408, 3648, 3976, 4032, 4047, 4256, 4473, 4544, 4788, 4864, 5112, 5376, 5396, 5472, 5964, 6384, 6816, 7296, 7952, 8064, 8094, 8512, 8946, 9088, 9443, 9576, 10224, 10792, 10944, 11928, 12141, 12768, 13632, 14592, 15904, 16128, 16188, 17024, 17892, 18176, 18886, 19152, 20448, 21584, 21888, 23856, 24282, 25536, 27264, 28329, 31808, 32376, 34048, 35784, 37772, 38304, 40896, 43168, 43776, 47712, 48564, 51072, 54528, 56658, 63616, 64752, 71568, 75544, 76608, 81792, 84987, 86336, 95424, 97128, 102144, 113316, 127232, 129504, 143136, 151088, 153216, 163584, 169974, 172672, 190848, 194256, 226632, 259008, 286272, 302176, 306432, 339948, 345344, 381696, 388512, 453264, 518016, 572544, 604352, 679896, 777024, 906528, 1036032, 1145088, 1208704, 1359792, 1554048, 1813056, 2417408, 2719584, 3108096, 3626112, 5439168, 7252224, 10878336, 21756672]

約数ペア:

[(1, 21756672), (2, 10878336), (3, 7252224), (4, 5439168), (6, 3626112), (7, 3108096), (8, 2719584), (9, 2417408), (12, 1813056), (14, 1554048), (16, 1359792), (18, 1208704), (19, 1145088), (21, 1036032), (24, 906528), (28, 777024), (32, 679896), (36, 604352), (38, 572544), (42, 518016), (48, 453264), (56, 388512), (57, 381696), (63, 345344), (64, 339948), (71, 306432), (72, 302176), (76, 286272), (84, 259008), (96, 226632), (112, 194256), (114, 190848), (126, 172672), (128, 169974), (133, 163584), (142, 153216), (144, 151088), (152, 143136), (168, 129504), (171, 127232), (192, 113316), (213, 102144), (224, 97128), (228, 95424), (252, 86336), (256, 84987), (266, 81792), (284, 76608), (288, 75544), (304, 71568), (336, 64752), (342, 63616), (384, 56658), (399, 54528), (426, 51072), (448, 48564), (456, 47712), (497, 43776), (504, 43168), (532, 40896), (568, 38304), (576, 37772), (608, 35784), (639, 34048), (672, 32376), (684, 31808), (768, 28329), (798, 27264), (852, 25536), (896, 24282), (912, 23856), (994, 21888), (1008, 21584), (1064, 20448), (1136, 19152), (1152, 18886), (1197, 18176), (1216, 17892), (1278, 17024), (1344, 16188), (1349, 16128), (1368, 15904), (1491, 14592), (1596, 13632), (1704, 12768), (1792, 12141), (1824, 11928), (1988, 10944), (2016, 10792), (2128, 10224), (2272, 9576), (2304, 9443), (2394, 9088), (2432, 8946), (2556, 8512), (2688, 8094), (2698, 8064), (2736, 7952), (2982, 7296), (3192, 6816), (3408, 6384), (3648, 5964), (3976, 5472), (4032, 5396), (4047, 5376), (4256, 5112), (4473, 4864), (4544, 4788)]