21437472

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:135

約数の個数: 192

約数和(自身を含む): 71608320

約数和(自身を除く): 50170848

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 23, 24, 28, 32, 38, 42, 46, 48, 56, 57, 69, 73, 76, 84, 92, 96, 112, 114, 133, 138, 146, 152, 161, 168, 184, 219, 224, 228, 266, 276, 292, 304, 322, 336, 368, 399, 437, 438, 456, 483, 511, 532, 552, 584, 608, 644, 672, 736, 798, 874, 876, 912, 966, 1022, 1064, 1104, 1168, 1288, 1311, 1387, 1533, 1596, 1679, 1748, 1752, 1824, 1932, 2044, 2128, 2208, 2336, 2576, 2622, 2774, 3059, 3066, 3192, 3358, 3496, 3504, 3864, 4088, 4161, 4256, 5037, 5152, 5244, 5548, 6118, 6132, 6384, 6716, 6992, 7008, 7728, 8176, 8322, 9177, 9709, 10074, 10488, 11096, 11753, 12236, 12264, 12768, 13432, 13984, 15456, 16352, 16644, 18354, 19418, 20148, 20976, 22192, 23506, 24472, 24528, 26864, 29127, 31901, 33288, 35259, 36708, 38836, 40296, 41952, 44384, 47012, 48944, 49056, 53728, 58254, 63802, 66576, 70518, 73416, 77672, 80592, 94024, 95703, 97888, 116508, 127604, 133152, 141036, 146832, 155344, 161184, 188048, 191406, 223307, 233016, 255208, 282072, 293664, 310688, 376096, 382812, 446614, 466032, 510416, 564144, 669921, 765624, 893228, 932064, 1020832, 1128288, 1339842, 1531248, 1786456, 2679684, 3062496, 3572912, 5359368, 7145824, 10718736, 21437472]

約数ペア:

[(1, 21437472), (2, 10718736), (3, 7145824), (4, 5359368), (6, 3572912), (7, 3062496), (8, 2679684), (12, 1786456), (14, 1531248), (16, 1339842), (19, 1128288), (21, 1020832), (23, 932064), (24, 893228), (28, 765624), (32, 669921), (38, 564144), (42, 510416), (46, 466032), (48, 446614), (56, 382812), (57, 376096), (69, 310688), (73, 293664), (76, 282072), (84, 255208), (92, 233016), (96, 223307), (112, 191406), (114, 188048), (133, 161184), (138, 155344), (146, 146832), (152, 141036), (161, 133152), (168, 127604), (184, 116508), (219, 97888), (224, 95703), (228, 94024), (266, 80592), (276, 77672), (292, 73416), (304, 70518), (322, 66576), (336, 63802), (368, 58254), (399, 53728), (437, 49056), (438, 48944), (456, 47012), (483, 44384), (511, 41952), (532, 40296), (552, 38836), (584, 36708), (608, 35259), (644, 33288), (672, 31901), (736, 29127), (798, 26864), (874, 24528), (876, 24472), (912, 23506), (966, 22192), (1022, 20976), (1064, 20148), (1104, 19418), (1168, 18354), (1288, 16644), (1311, 16352), (1387, 15456), (1533, 13984), (1596, 13432), (1679, 12768), (1748, 12264), (1752, 12236), (1824, 11753), (1932, 11096), (2044, 10488), (2128, 10074), (2208, 9709), (2336, 9177), (2576, 8322), (2622, 8176), (2774, 7728), (3059, 7008), (3066, 6992), (3192, 6716), (3358, 6384), (3496, 6132), (3504, 6118), (3864, 5548), (4088, 5244), (4161, 5152), (4256, 5037)]