21802728

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{349}}^1$

素因数の和:514

約数の個数: 64

約数和(自身を含む): 57960000

約数和(自身を除く): 36157272

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 137, 152, 228, 274, 349, 411, 456, 548, 698, 822, 1047, 1096, 1396, 1644, 2094, 2603, 2792, 3288, 4188, 5206, 6631, 7809, 8376, 10412, 13262, 15618, 19893, 20824, 26524, 31236, 39786, 47813, 53048, 62472, 79572, 95626, 143439, 159144, 191252, 286878, 382504, 573756, 908447, 1147512, 1816894, 2725341, 3633788, 5450682, 7267576, 10901364, 21802728]

約数ペア:

[(1, 21802728), (2, 10901364), (3, 7267576), (4, 5450682), (6, 3633788), (8, 2725341), (12, 1816894), (19, 1147512), (24, 908447), (38, 573756), (57, 382504), (76, 286878), (114, 191252), (137, 159144), (152, 143439), (228, 95626), (274, 79572), (349, 62472), (411, 53048), (456, 47813), (548, 39786), (698, 31236), (822, 26524), (1047, 20824), (1096, 19893), (1396, 15618), (1644, 13262), (2094, 10412), (2603, 8376), (2792, 7809), (3288, 6631), (4188, 5206)]