21192472

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{197}}^1$

素因数の和:340

約数の個数: 64

約数和(自身を含む): 48755520

約数和(自身を除く): 27563048

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 113, 119, 136, 197, 226, 238, 394, 452, 476, 788, 791, 904, 952, 1379, 1576, 1582, 1921, 2758, 3164, 3349, 3842, 5516, 6328, 6698, 7684, 11032, 13396, 13447, 15368, 22261, 23443, 26792, 26894, 44522, 46886, 53788, 89044, 93772, 107576, 155827, 178088, 187544, 311654, 378437, 623308, 756874, 1246616, 1513748, 2649059, 3027496, 5298118, 10596236, 21192472]

約数ペア:

[(1, 21192472), (2, 10596236), (4, 5298118), (7, 3027496), (8, 2649059), (14, 1513748), (17, 1246616), (28, 756874), (34, 623308), (56, 378437), (68, 311654), (113, 187544), (119, 178088), (136, 155827), (197, 107576), (226, 93772), (238, 89044), (394, 53788), (452, 46886), (476, 44522), (788, 26894), (791, 26792), (904, 23443), (952, 22261), (1379, 15368), (1576, 13447), (1582, 13396), (1921, 11032), (2758, 7684), (3164, 6698), (3349, 6328), (3842, 5516)]