21660608

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{379}}^1$

素因数の和:457

約数の個数: 56

約数和(自身を含む): 46329600

約数和(自身を除く): 24668992

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 47, 64, 76, 94, 152, 188, 304, 376, 379, 608, 752, 758, 893, 1216, 1504, 1516, 1786, 3008, 3032, 3572, 6064, 7144, 7201, 12128, 14288, 14402, 17813, 24256, 28576, 28804, 35626, 57152, 57608, 71252, 115216, 142504, 230432, 285008, 338447, 460864, 570016, 676894, 1140032, 1353788, 2707576, 5415152, 10830304, 21660608]

約数ペア:

[(1, 21660608), (2, 10830304), (4, 5415152), (8, 2707576), (16, 1353788), (19, 1140032), (32, 676894), (38, 570016), (47, 460864), (64, 338447), (76, 285008), (94, 230432), (152, 142504), (188, 115216), (304, 71252), (376, 57608), (379, 57152), (608, 35626), (752, 28804), (758, 28576), (893, 24256), (1216, 17813), (1504, 14402), (1516, 14288), (1786, 12128), (3008, 7201), (3032, 7144), (3572, 6064)]