21796152

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{947}}^1$

素因数の和:1100

約数の個数: 64

約数和(自身を含む): 62795520

約数和(自身を除く): 40999368

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 137, 168, 274, 411, 548, 822, 947, 959, 1096, 1644, 1894, 1918, 2841, 2877, 3288, 3788, 3836, 5682, 5754, 6629, 7576, 7672, 11364, 11508, 13258, 19887, 22728, 23016, 26516, 39774, 53032, 79548, 129739, 159096, 259478, 389217, 518956, 778434, 908173, 1037912, 1556868, 1816346, 2724519, 3113736, 3632692, 5449038, 7265384, 10898076, 21796152]

約数ペア:

[(1, 21796152), (2, 10898076), (3, 7265384), (4, 5449038), (6, 3632692), (7, 3113736), (8, 2724519), (12, 1816346), (14, 1556868), (21, 1037912), (24, 908173), (28, 778434), (42, 518956), (56, 389217), (84, 259478), (137, 159096), (168, 129739), (274, 79548), (411, 53032), (548, 39774), (822, 26516), (947, 23016), (959, 22728), (1096, 19887), (1644, 13258), (1894, 11508), (1918, 11364), (2841, 7672), (2877, 7576), (3288, 6629), (3788, 5754), (3836, 5682)]