21000456816

素因数分解:

$2^4\times 3^1\times {\mathrm{83}}^1\times {\mathrm{5271199}}^1$

素因数の和:5271293

約数の個数: 40

約数和(自身を含む): 54904819200

約数和(自身を除く): 33904362384

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 83, 166, 249, 332, 498, 664, 996, 1328, 1992, 3984, 5271199, 10542398, 15813597, 21084796, 31627194, 42169592, 63254388, 84339184, 126508776, 253017552, 437509517, 875019034, 1312528551, 1750038068, 2625057102, 3500076136, 5250114204, 7000152272, 10500228408, 21000456816]

約数ペア:

[(1, 21000456816), (2, 10500228408), (3, 7000152272), (4, 5250114204), (6, 3500076136), (8, 2625057102), (12, 1750038068), (16, 1312528551), (24, 875019034), (48, 437509517), (83, 253017552), (166, 126508776), (249, 84339184), (332, 63254388), (498, 42169592), (664, 31627194), (996, 21084796), (1328, 15813597), (1992, 10542398), (3984, 5271199)]