21736057

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{631}}^1$

素因数の和:701

約数の個数: 24

約数和(自身を含む): 27378240

約数和(自身を除く): 5642183

約数列:

[1, 7, 19, 37, 49, 133, 259, 631, 703, 931, 1813, 4417, 4921, 11989, 23347, 30919, 34447, 83923, 163429, 443593, 587461, 1144003, 3105151, 21736057]

約数ペア:

[(1, 21736057), (7, 3105151), (19, 1144003), (37, 587461), (49, 443593), (133, 163429), (259, 83923), (631, 34447), (703, 30919), (931, 23347), (1813, 11989), (4417, 4921)]