21729774

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1$

素因数の和:321

約数の個数: 64

約数和(自身を含む): 50948352

約数和(自身を除く): 29218578

約数列:

[1, 2, 3, 6, 11, 17, 22, 33, 34, 51, 66, 102, 107, 181, 187, 214, 321, 362, 374, 543, 561, 642, 1086, 1122, 1177, 1819, 1991, 2354, 3077, 3531, 3638, 3982, 5457, 5973, 6154, 7062, 9231, 10914, 11946, 18462, 19367, 20009, 33847, 38734, 40018, 58101, 60027, 67694, 101541, 116202, 120054, 203082, 213037, 329239, 426074, 639111, 658478, 987717, 1278222, 1975434, 3621629, 7243258, 10864887, 21729774]

約数ペア:

[(1, 21729774), (2, 10864887), (3, 7243258), (6, 3621629), (11, 1975434), (17, 1278222), (22, 987717), (33, 658478), (34, 639111), (51, 426074), (66, 329239), (102, 213037), (107, 203082), (181, 120054), (187, 116202), (214, 101541), (321, 67694), (362, 60027), (374, 58101), (543, 40018), (561, 38734), (642, 33847), (1086, 20009), (1122, 19367), (1177, 18462), (1819, 11946), (1991, 10914), (2354, 9231), (3077, 7062), (3531, 6154), (3638, 5973), (3982, 5457)]