21527389

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:229

約数の個数: 24

約数和(自身を含む): 25297920

約数和(自身を除く): 3770531

約数列:

[1, 13, 17, 59, 127, 169, 221, 767, 1003, 1651, 2159, 2873, 7493, 9971, 13039, 21463, 28067, 97409, 127381, 169507, 364871, 1266317, 1655953, 21527389]

約数ペア:

[(1, 21527389), (13, 1655953), (17, 1266317), (59, 364871), (127, 169507), (169, 127381), (221, 97409), (767, 28067), (1003, 21463), (1651, 13039), (2159, 9971), (2873, 7493)]