21756624

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:264

約数の個数: 80

約数和(自身を含む): 58662912

約数和(自身を除く): 36906288

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 83, 86, 127, 129, 166, 172, 249, 254, 258, 332, 344, 381, 498, 508, 516, 664, 688, 762, 996, 1016, 1032, 1328, 1524, 1992, 2032, 2064, 3048, 3569, 3984, 5461, 6096, 7138, 10541, 10707, 10922, 14276, 16383, 21082, 21414, 21844, 28552, 31623, 32766, 42164, 42828, 43688, 57104, 63246, 65532, 84328, 85656, 87376, 126492, 131064, 168656, 171312, 252984, 262128, 453263, 505968, 906526, 1359789, 1813052, 2719578, 3626104, 5439156, 7252208, 10878312, 21756624]

約数ペア:

[(1, 21756624), (2, 10878312), (3, 7252208), (4, 5439156), (6, 3626104), (8, 2719578), (12, 1813052), (16, 1359789), (24, 906526), (43, 505968), (48, 453263), (83, 262128), (86, 252984), (127, 171312), (129, 168656), (166, 131064), (172, 126492), (249, 87376), (254, 85656), (258, 84328), (332, 65532), (344, 63246), (381, 57104), (498, 43688), (508, 42828), (516, 42164), (664, 32766), (688, 31623), (762, 28552), (996, 21844), (1016, 21414), (1032, 21082), (1328, 16383), (1524, 14276), (1992, 10922), (2032, 10707), (2064, 10541), (3048, 7138), (3569, 6096), (3984, 5461)]