21563328

素因数分解:

$2^6\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:314

約数の個数: 112

約数和(自身を含む): 62910720

約数和(自身を除く): 41347392

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 23, 24, 32, 38, 46, 48, 57, 64, 69, 76, 92, 96, 114, 138, 152, 184, 192, 228, 257, 276, 304, 368, 437, 456, 514, 552, 608, 736, 771, 874, 912, 1028, 1104, 1216, 1311, 1472, 1542, 1748, 1824, 2056, 2208, 2622, 3084, 3496, 3648, 4112, 4416, 4883, 5244, 5911, 6168, 6992, 8224, 9766, 10488, 11822, 12336, 13984, 14649, 16448, 17733, 19532, 20976, 23644, 24672, 27968, 29298, 35466, 39064, 41952, 47288, 49344, 58596, 70932, 78128, 83904, 94576, 112309, 117192, 141864, 156256, 189152, 224618, 234384, 283728, 312512, 336927, 378304, 449236, 468768, 567456, 673854, 898472, 937536, 1134912, 1347708, 1796944, 2695416, 3593888, 5390832, 7187776, 10781664, 21563328]

約数ペア:

[(1, 21563328), (2, 10781664), (3, 7187776), (4, 5390832), (6, 3593888), (8, 2695416), (12, 1796944), (16, 1347708), (19, 1134912), (23, 937536), (24, 898472), (32, 673854), (38, 567456), (46, 468768), (48, 449236), (57, 378304), (64, 336927), (69, 312512), (76, 283728), (92, 234384), (96, 224618), (114, 189152), (138, 156256), (152, 141864), (184, 117192), (192, 112309), (228, 94576), (257, 83904), (276, 78128), (304, 70932), (368, 58596), (437, 49344), (456, 47288), (514, 41952), (552, 39064), (608, 35466), (736, 29298), (771, 27968), (874, 24672), (912, 23644), (1028, 20976), (1104, 19532), (1216, 17733), (1311, 16448), (1472, 14649), (1542, 13984), (1748, 12336), (1824, 11822), (2056, 10488), (2208, 9766), (2622, 8224), (3084, 6992), (3496, 6168), (3648, 5911), (4112, 5244), (4416, 4883)]