21233510

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:185

約数の個数: 64

約数和(自身を含む): 43156800

約数和(自身を除く): 21923290

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 59, 73, 85, 118, 145, 146, 170, 290, 295, 365, 493, 590, 730, 986, 1003, 1241, 1711, 2006, 2117, 2465, 2482, 3422, 4234, 4307, 4930, 5015, 6205, 8555, 8614, 10030, 10585, 12410, 17110, 21170, 21535, 29087, 35989, 43070, 58174, 71978, 73219, 124903, 145435, 146438, 179945, 249806, 290870, 359890, 366095, 624515, 732190, 1249030, 2123351, 4246702, 10616755, 21233510]

約数ペア:

[(1, 21233510), (2, 10616755), (5, 4246702), (10, 2123351), (17, 1249030), (29, 732190), (34, 624515), (58, 366095), (59, 359890), (73, 290870), (85, 249806), (118, 179945), (145, 146438), (146, 145435), (170, 124903), (290, 73219), (295, 71978), (365, 58174), (493, 43070), (590, 35989), (730, 29087), (986, 21535), (1003, 21170), (1241, 17110), (1711, 12410), (2006, 10585), (2117, 10030), (2465, 8614), (2482, 8555), (3422, 6205), (4234, 5015), (4307, 4930)]