21517728

素因数分解:

$2^5\times 3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{251}}^1$

素因数の和:330

約数の個数: 96

約数和(自身を含む): 60963840

約数和(自身を除く): 39446112

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 47, 48, 57, 76, 94, 96, 114, 141, 152, 188, 228, 251, 282, 304, 376, 456, 502, 564, 608, 752, 753, 893, 912, 1004, 1128, 1504, 1506, 1786, 1824, 2008, 2256, 2679, 3012, 3572, 4016, 4512, 4769, 5358, 6024, 7144, 8032, 9538, 10716, 11797, 12048, 14288, 14307, 19076, 21432, 23594, 24096, 28576, 28614, 35391, 38152, 42864, 47188, 57228, 70782, 76304, 85728, 94376, 114456, 141564, 152608, 188752, 224143, 228912, 283128, 377504, 448286, 457824, 566256, 672429, 896572, 1132512, 1344858, 1793144, 2689716, 3586288, 5379432, 7172576, 10758864, 21517728]

約数ペア:

[(1, 21517728), (2, 10758864), (3, 7172576), (4, 5379432), (6, 3586288), (8, 2689716), (12, 1793144), (16, 1344858), (19, 1132512), (24, 896572), (32, 672429), (38, 566256), (47, 457824), (48, 448286), (57, 377504), (76, 283128), (94, 228912), (96, 224143), (114, 188752), (141, 152608), (152, 141564), (188, 114456), (228, 94376), (251, 85728), (282, 76304), (304, 70782), (376, 57228), (456, 47188), (502, 42864), (564, 38152), (608, 35391), (752, 28614), (753, 28576), (893, 24096), (912, 23594), (1004, 21432), (1128, 19076), (1504, 14307), (1506, 14288), (1786, 12048), (1824, 11797), (2008, 10716), (2256, 9538), (2679, 8032), (3012, 7144), (3572, 6024), (4016, 5358), (4512, 4769)]