21693364

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{337}}^1$

素因数の和:389

約数の個数: 72

約数和(自身を含む): 50348480

約数和(自身を除く): 28655116

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 121, 133, 154, 209, 242, 266, 308, 337, 418, 484, 532, 674, 836, 847, 1348, 1463, 1694, 2299, 2359, 2926, 3388, 3707, 4598, 4718, 5852, 6403, 7414, 9196, 9436, 12806, 14828, 16093, 25612, 25949, 32186, 40777, 44821, 51898, 64372, 70433, 81554, 89642, 103796, 140866, 163108, 179284, 281732, 285439, 493031, 570878, 774763, 986062, 1141756, 1549526, 1972124, 3099052, 5423341, 10846682, 21693364]

約数ペア:

[(1, 21693364), (2, 10846682), (4, 5423341), (7, 3099052), (11, 1972124), (14, 1549526), (19, 1141756), (22, 986062), (28, 774763), (38, 570878), (44, 493031), (76, 285439), (77, 281732), (121, 179284), (133, 163108), (154, 140866), (209, 103796), (242, 89642), (266, 81554), (308, 70433), (337, 64372), (418, 51898), (484, 44821), (532, 40777), (674, 32186), (836, 25949), (847, 25612), (1348, 16093), (1463, 14828), (1694, 12806), (2299, 9436), (2359, 9196), (2926, 7414), (3388, 6403), (3707, 5852), (4598, 4718)]