21709336

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{547}}^1$

素因数の和:616

約数の個数: 48

約数和(自身を含む): 45916920

約数和(自身を除く): 24207584

約数列:

[1, 2, 4, 8, 11, 22, 41, 44, 82, 88, 121, 164, 242, 328, 451, 484, 547, 902, 968, 1094, 1804, 2188, 3608, 4376, 4961, 6017, 9922, 12034, 19844, 22427, 24068, 39688, 44854, 48136, 66187, 89708, 132374, 179416, 246697, 264748, 493394, 529496, 986788, 1973576, 2713667, 5427334, 10854668, 21709336]

約数ペア:

[(1, 21709336), (2, 10854668), (4, 5427334), (8, 2713667), (11, 1973576), (22, 986788), (41, 529496), (44, 493394), (82, 264748), (88, 246697), (121, 179416), (164, 132374), (242, 89708), (328, 66187), (451, 48136), (484, 44854), (547, 39688), (902, 24068), (968, 22427), (1094, 19844), (1804, 12034), (2188, 9922), (3608, 6017), (4376, 4961)]