21352352

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1$

素因数の和:238

約数の個数: 96

約数和(自身を含む): 52617600

約数和(自身を除く): 31265248

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 29, 32, 38, 56, 58, 76, 112, 116, 133, 152, 173, 203, 224, 232, 266, 304, 346, 406, 464, 532, 551, 608, 692, 812, 928, 1064, 1102, 1211, 1384, 1624, 2128, 2204, 2422, 2768, 3248, 3287, 3857, 4256, 4408, 4844, 5017, 5536, 6496, 6574, 7714, 8816, 9688, 10034, 13148, 15428, 17632, 19376, 20068, 23009, 26296, 30856, 35119, 38752, 40136, 46018, 52592, 61712, 70238, 80272, 92036, 95323, 105184, 123424, 140476, 160544, 184072, 190646, 280952, 368144, 381292, 561904, 667261, 736288, 762584, 1123808, 1334522, 1525168, 2669044, 3050336, 5338088, 10676176, 21352352]

約数ペア:

[(1, 21352352), (2, 10676176), (4, 5338088), (7, 3050336), (8, 2669044), (14, 1525168), (16, 1334522), (19, 1123808), (28, 762584), (29, 736288), (32, 667261), (38, 561904), (56, 381292), (58, 368144), (76, 280952), (112, 190646), (116, 184072), (133, 160544), (152, 140476), (173, 123424), (203, 105184), (224, 95323), (232, 92036), (266, 80272), (304, 70238), (346, 61712), (406, 52592), (464, 46018), (532, 40136), (551, 38752), (608, 35119), (692, 30856), (812, 26296), (928, 23009), (1064, 20068), (1102, 19376), (1211, 17632), (1384, 15428), (1624, 13148), (2128, 10034), (2204, 9688), (2422, 8816), (2768, 7714), (3248, 6574), (3287, 6496), (3857, 5536), (4256, 5017), (4408, 4844)]