21184656

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{619}}^1$

素因数の和:684

約数の個数: 80

約数和(自身を含む): 59043840

約数和(自身を除く): 37859184

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 31, 46, 48, 62, 69, 92, 93, 124, 138, 184, 186, 248, 276, 368, 372, 496, 552, 619, 713, 744, 1104, 1238, 1426, 1488, 1857, 2139, 2476, 2852, 3714, 4278, 4952, 5704, 7428, 8556, 9904, 11408, 14237, 14856, 17112, 19189, 28474, 29712, 34224, 38378, 42711, 56948, 57567, 76756, 85422, 113896, 115134, 153512, 170844, 227792, 230268, 307024, 341688, 441347, 460536, 683376, 882694, 921072, 1324041, 1765388, 2648082, 3530776, 5296164, 7061552, 10592328, 21184656]

約数ペア:

[(1, 21184656), (2, 10592328), (3, 7061552), (4, 5296164), (6, 3530776), (8, 2648082), (12, 1765388), (16, 1324041), (23, 921072), (24, 882694), (31, 683376), (46, 460536), (48, 441347), (62, 341688), (69, 307024), (92, 230268), (93, 227792), (124, 170844), (138, 153512), (184, 115134), (186, 113896), (248, 85422), (276, 76756), (368, 57567), (372, 56948), (496, 42711), (552, 38378), (619, 34224), (713, 29712), (744, 28474), (1104, 19189), (1238, 17112), (1426, 14856), (1488, 14237), (1857, 11408), (2139, 9904), (2476, 8556), (2852, 7428), (3714, 5704), (4278, 4952)]