21575856

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1$

素因数の和:358

約数の個数: 80

約数和(自身を含む): 59755104

約数和(自身を除く): 38179248

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 137, 193, 204, 272, 274, 386, 408, 411, 548, 579, 772, 816, 822, 1096, 1158, 1544, 1644, 2192, 2316, 2329, 3088, 3281, 3288, 4632, 4658, 6562, 6576, 6987, 9264, 9316, 9843, 13124, 13974, 18632, 19686, 26248, 26441, 27948, 37264, 39372, 52496, 52882, 55896, 78744, 79323, 105764, 111792, 157488, 158646, 211528, 317292, 423056, 449497, 634584, 898994, 1269168, 1348491, 1797988, 2696982, 3595976, 5393964, 7191952, 10787928, 21575856]

約数ペア:

[(1, 21575856), (2, 10787928), (3, 7191952), (4, 5393964), (6, 3595976), (8, 2696982), (12, 1797988), (16, 1348491), (17, 1269168), (24, 898994), (34, 634584), (48, 449497), (51, 423056), (68, 317292), (102, 211528), (136, 158646), (137, 157488), (193, 111792), (204, 105764), (272, 79323), (274, 78744), (386, 55896), (408, 52882), (411, 52496), (548, 39372), (579, 37264), (772, 27948), (816, 26441), (822, 26248), (1096, 19686), (1158, 18632), (1544, 13974), (1644, 13124), (2192, 9843), (2316, 9316), (2329, 9264), (3088, 6987), (3281, 6576), (3288, 6562), (4632, 4658)]