21016896

素因数分解:

$2^6\times 3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:216

約数の個数: 112

約数和(自身を含む): 60569856

約数和(自身を除く): 39552960

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 47, 48, 51, 64, 68, 94, 96, 102, 136, 137, 141, 188, 192, 204, 272, 274, 282, 376, 408, 411, 544, 548, 564, 752, 799, 816, 822, 1088, 1096, 1128, 1504, 1598, 1632, 1644, 2192, 2256, 2329, 2397, 3008, 3196, 3264, 3288, 4384, 4512, 4658, 4794, 6392, 6439, 6576, 6987, 8768, 9024, 9316, 9588, 12784, 12878, 13152, 13974, 18632, 19176, 19317, 25568, 25756, 26304, 27948, 37264, 38352, 38634, 51136, 51512, 55896, 74528, 76704, 77268, 103024, 109463, 111792, 149056, 153408, 154536, 206048, 218926, 223584, 309072, 328389, 412096, 437852, 447168, 618144, 656778, 875704, 1236288, 1313556, 1751408, 2627112, 3502816, 5254224, 7005632, 10508448, 21016896]

約数ペア:

[(1, 21016896), (2, 10508448), (3, 7005632), (4, 5254224), (6, 3502816), (8, 2627112), (12, 1751408), (16, 1313556), (17, 1236288), (24, 875704), (32, 656778), (34, 618144), (47, 447168), (48, 437852), (51, 412096), (64, 328389), (68, 309072), (94, 223584), (96, 218926), (102, 206048), (136, 154536), (137, 153408), (141, 149056), (188, 111792), (192, 109463), (204, 103024), (272, 77268), (274, 76704), (282, 74528), (376, 55896), (408, 51512), (411, 51136), (544, 38634), (548, 38352), (564, 37264), (752, 27948), (799, 26304), (816, 25756), (822, 25568), (1088, 19317), (1096, 19176), (1128, 18632), (1504, 13974), (1598, 13152), (1632, 12878), (1644, 12784), (2192, 9588), (2256, 9316), (2329, 9024), (2397, 8768), (3008, 6987), (3196, 6576), (3264, 6439), (3288, 6392), (4384, 4794), (4512, 4658)]