21070656

素因数分解:

$2^6\times 3^2\times {\mathrm{157}}^1\times {\mathrm{233}}^1$

素因数の和:408

約数の個数: 84

約数和(自身を含む): 61040772

約数和(自身を除く): 39970116

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 144, 157, 192, 233, 288, 314, 466, 471, 576, 628, 699, 932, 942, 1256, 1398, 1413, 1864, 1884, 2097, 2512, 2796, 2826, 3728, 3768, 4194, 5024, 5592, 5652, 7456, 7536, 8388, 10048, 11184, 11304, 14912, 15072, 16776, 22368, 22608, 30144, 33552, 36581, 44736, 45216, 67104, 73162, 90432, 109743, 134208, 146324, 219486, 292648, 329229, 438972, 585296, 658458, 877944, 1170592, 1316916, 1755888, 2341184, 2633832, 3511776, 5267664, 7023552, 10535328, 21070656]

約数ペア:

[(1, 21070656), (2, 10535328), (3, 7023552), (4, 5267664), (6, 3511776), (8, 2633832), (9, 2341184), (12, 1755888), (16, 1316916), (18, 1170592), (24, 877944), (32, 658458), (36, 585296), (48, 438972), (64, 329229), (72, 292648), (96, 219486), (144, 146324), (157, 134208), (192, 109743), (233, 90432), (288, 73162), (314, 67104), (466, 45216), (471, 44736), (576, 36581), (628, 33552), (699, 30144), (932, 22608), (942, 22368), (1256, 16776), (1398, 15072), (1413, 14912), (1864, 11304), (1884, 11184), (2097, 10048), (2512, 8388), (2796, 7536), (2826, 7456), (3728, 5652), (3768, 5592), (4194, 5024)]