21818371144

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{442097}}^1$

素因数の和:442333

約数の個数: 32

約数和(自身を含む): 42441408000

約数和(自身を除く): 20623036856

約数列:

[1, 2, 4, 8, 31, 62, 124, 199, 248, 398, 796, 1592, 6169, 12338, 24676, 49352, 442097, 884194, 1768388, 3536776, 13705007, 27410014, 54820028, 87977303, 109640056, 175954606, 351909212, 703818424, 2727296393, 5454592786, 10909185572, 21818371144]

約数ペア:

[(1, 21818371144), (2, 10909185572), (4, 5454592786), (8, 2727296393), (31, 703818424), (62, 351909212), (124, 175954606), (199, 109640056), (248, 87977303), (398, 54820028), (796, 27410014), (1592, 13705007), (6169, 3536776), (12338, 1768388), (24676, 884194), (49352, 442097)]