21991763648

素因数分解:

$2^6\times {\mathrm{211}}^1\times {\mathrm{929}}^1\times {\mathrm{1753}}^1$

素因数の和:2905

約数の個数: 56

約数和(自身を含む): 43918967280

約数和(自身を除く): 21927203632

約数列:

[1, 2, 4, 8, 16, 32, 64, 211, 422, 844, 929, 1688, 1753, 1858, 3376, 3506, 3716, 6752, 7012, 7432, 13504, 14024, 14864, 28048, 29728, 56096, 59456, 112192, 196019, 369883, 392038, 739766, 784076, 1479532, 1568152, 1628537, 2959064, 3136304, 3257074, 5918128, 6272608, 6514148, 11836256, 12545216, 13028296, 23672512, 26056592, 52113184, 104226368, 343621307, 687242614, 1374485228, 2748970456, 5497940912, 10995881824, 21991763648]

約数ペア:

[(1, 21991763648), (2, 10995881824), (4, 5497940912), (8, 2748970456), (16, 1374485228), (32, 687242614), (64, 343621307), (211, 104226368), (422, 52113184), (844, 26056592), (929, 23672512), (1688, 13028296), (1753, 12545216), (1858, 11836256), (3376, 6514148), (3506, 6272608), (3716, 5918128), (6752, 3257074), (7012, 3136304), (7432, 2959064), (13504, 1628537), (14024, 1568152), (14864, 1479532), (28048, 784076), (29728, 739766), (56096, 392038), (59456, 369883), (112192, 196019)]