21846440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:243

約数の個数: 128

約数和(自身を含む): 63141120

約数和(自身を除く): 41294680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 41, 44, 55, 56, 70, 77, 82, 88, 110, 140, 154, 164, 173, 205, 220, 280, 287, 308, 328, 346, 385, 410, 440, 451, 574, 616, 692, 770, 820, 865, 902, 1148, 1211, 1384, 1435, 1540, 1640, 1730, 1804, 1903, 2255, 2296, 2422, 2870, 3080, 3157, 3460, 3608, 3806, 4510, 4844, 5740, 6055, 6314, 6920, 7093, 7612, 9020, 9515, 9688, 11480, 12110, 12628, 13321, 14186, 15224, 15785, 18040, 19030, 24220, 25256, 26642, 28372, 31570, 35465, 38060, 48440, 49651, 53284, 56744, 63140, 66605, 70930, 76120, 78023, 99302, 106568, 126280, 133210, 141860, 156046, 198604, 248255, 266420, 283720, 312092, 390115, 397208, 496510, 532840, 546161, 624184, 780230, 993020, 1092322, 1560460, 1986040, 2184644, 2730805, 3120920, 4369288, 5461610, 10923220, 21846440]

約数ペア:

[(1, 21846440), (2, 10923220), (4, 5461610), (5, 4369288), (7, 3120920), (8, 2730805), (10, 2184644), (11, 1986040), (14, 1560460), (20, 1092322), (22, 993020), (28, 780230), (35, 624184), (40, 546161), (41, 532840), (44, 496510), (55, 397208), (56, 390115), (70, 312092), (77, 283720), (82, 266420), (88, 248255), (110, 198604), (140, 156046), (154, 141860), (164, 133210), (173, 126280), (205, 106568), (220, 99302), (280, 78023), (287, 76120), (308, 70930), (328, 66605), (346, 63140), (385, 56744), (410, 53284), (440, 49651), (451, 48440), (574, 38060), (616, 35465), (692, 31570), (770, 28372), (820, 26642), (865, 25256), (902, 24220), (1148, 19030), (1211, 18040), (1384, 15785), (1435, 15224), (1540, 14186), (1640, 13321), (1730, 12628), (1804, 12110), (1903, 11480), (2255, 9688), (2296, 9515), (2422, 9020), (2870, 7612), (3080, 7093), (3157, 6920), (3460, 6314), (3608, 6055), (3806, 5740), (4510, 4844)]