21057504

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{359}}^1$

素因数の和:432

約数の個数: 96

約数和(自身を含む): 60963840

約数和(自身を除く): 39906336

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 47, 48, 52, 78, 94, 96, 104, 141, 156, 188, 208, 282, 312, 359, 376, 416, 564, 611, 624, 718, 752, 1077, 1128, 1222, 1248, 1436, 1504, 1833, 2154, 2256, 2444, 2872, 3666, 4308, 4512, 4667, 4888, 5744, 7332, 8616, 9334, 9776, 11488, 14001, 14664, 16873, 17232, 18668, 19552, 28002, 29328, 33746, 34464, 37336, 50619, 56004, 58656, 67492, 74672, 101238, 112008, 134984, 149344, 202476, 219349, 224016, 269968, 404952, 438698, 448032, 539936, 658047, 809904, 877396, 1316094, 1619808, 1754792, 2632188, 3509584, 5264376, 7019168, 10528752, 21057504]

約数ペア:

[(1, 21057504), (2, 10528752), (3, 7019168), (4, 5264376), (6, 3509584), (8, 2632188), (12, 1754792), (13, 1619808), (16, 1316094), (24, 877396), (26, 809904), (32, 658047), (39, 539936), (47, 448032), (48, 438698), (52, 404952), (78, 269968), (94, 224016), (96, 219349), (104, 202476), (141, 149344), (156, 134984), (188, 112008), (208, 101238), (282, 74672), (312, 67492), (359, 58656), (376, 56004), (416, 50619), (564, 37336), (611, 34464), (624, 33746), (718, 29328), (752, 28002), (1077, 19552), (1128, 18668), (1222, 17232), (1248, 16873), (1436, 14664), (1504, 14001), (1833, 11488), (2154, 9776), (2256, 9334), (2444, 8616), (2872, 7332), (3666, 5744), (4308, 4888), (4512, 4667)]