21671569312

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{684769}}^1$

素因数の和:684845

約数の個数: 48

約数和(自身を含む): 45556378560

約数和(自身を除く): 23884809248

約数列:

[1, 2, 4, 8, 16, 23, 32, 43, 46, 86, 92, 172, 184, 344, 368, 688, 736, 989, 1376, 1978, 3956, 7912, 15824, 31648, 684769, 1369538, 2739076, 5478152, 10956304, 15749687, 21912608, 29445067, 31499374, 58890134, 62998748, 117780268, 125997496, 235560536, 251994992, 471121072, 503989984, 677236541, 942242144, 1354473082, 2708946164, 5417892328, 10835784656, 21671569312]

約数ペア:

[(1, 21671569312), (2, 10835784656), (4, 5417892328), (8, 2708946164), (16, 1354473082), (23, 942242144), (32, 677236541), (43, 503989984), (46, 471121072), (86, 251994992), (92, 235560536), (172, 125997496), (184, 117780268), (344, 62998748), (368, 58890134), (688, 31499374), (736, 29445067), (989, 21912608), (1376, 15749687), (1978, 10956304), (3956, 5478152), (7912, 2739076), (15824, 1369538), (31648, 684769)]