21844144

素因数分解:

$2^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:194

約数の個数: 80

約数和(自身を含む): 50996736

約数和(自身を除く): 29152592

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 56, 67, 71, 82, 112, 134, 142, 164, 268, 284, 287, 328, 469, 497, 536, 568, 574, 656, 938, 994, 1072, 1136, 1148, 1876, 1988, 2296, 2747, 2911, 3752, 3976, 4592, 4757, 5494, 5822, 7504, 7952, 9514, 10988, 11644, 19028, 19229, 20377, 21976, 23288, 33299, 38056, 38458, 40754, 43952, 46576, 66598, 76112, 76916, 81508, 133196, 153832, 163016, 195037, 266392, 307664, 326032, 390074, 532784, 780148, 1365259, 1560296, 2730518, 3120592, 5461036, 10922072, 21844144]

約数ペア:

[(1, 21844144), (2, 10922072), (4, 5461036), (7, 3120592), (8, 2730518), (14, 1560296), (16, 1365259), (28, 780148), (41, 532784), (56, 390074), (67, 326032), (71, 307664), (82, 266392), (112, 195037), (134, 163016), (142, 153832), (164, 133196), (268, 81508), (284, 76916), (287, 76112), (328, 66598), (469, 46576), (497, 43952), (536, 40754), (568, 38458), (574, 38056), (656, 33299), (938, 23288), (994, 21976), (1072, 20377), (1136, 19229), (1148, 19028), (1876, 11644), (1988, 10988), (2296, 9514), (2747, 7952), (2911, 7504), (3752, 5822), (3976, 5494), (4592, 4757)]