21000974113

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{32537}}^1$

素因数の和:32797

約数の個数: 32

約数和(自身を含む): 26488535040

約数和(自身を除く): 5487560927

約数列:

[1, 7, 19, 23, 133, 161, 211, 437, 1477, 3059, 4009, 4853, 28063, 32537, 33971, 92207, 227759, 618203, 645449, 748351, 4327421, 5238457, 6865307, 14218669, 48057149, 99530683, 130440833, 157902061, 913085831, 1105314427, 3000139159, 21000974113]

約数ペア:

[(1, 21000974113), (7, 3000139159), (19, 1105314427), (23, 913085831), (133, 157902061), (161, 130440833), (211, 99530683), (437, 48057149), (1477, 14218669), (3059, 6865307), (4009, 5238457), (4853, 4327421), (28063, 748351), (32537, 645449), (33971, 618203), (92207, 227759)]