21644136

素因数分解:

$2^3\times 3^2\times {\mathrm{43}}^1\times {\mathrm{6991}}^1$

素因数の和:7046

約数の個数: 48

約数和(自身を含む): 59991360

約数和(自身を除く): 38347224

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 43, 72, 86, 129, 172, 258, 344, 387, 516, 774, 1032, 1548, 3096, 6991, 13982, 20973, 27964, 41946, 55928, 62919, 83892, 125838, 167784, 251676, 300613, 503352, 601226, 901839, 1202452, 1803678, 2404904, 2705517, 3607356, 5411034, 7214712, 10822068, 21644136]

約数ペア:

[(1, 21644136), (2, 10822068), (3, 7214712), (4, 5411034), (6, 3607356), (8, 2705517), (9, 2404904), (12, 1803678), (18, 1202452), (24, 901839), (36, 601226), (43, 503352), (72, 300613), (86, 251676), (129, 167784), (172, 125838), (258, 83892), (344, 62919), (387, 55928), (516, 41946), (774, 27964), (1032, 20973), (1548, 13982), (3096, 6991)]