21712977

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{16871}}^1$

素因数の和:16901

約数の個数: 24

約数和(自身を含む): 36848448

約数和(自身を除く): 15135471

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 16871, 50613, 151839, 185581, 219323, 556743, 657969, 1670229, 1973907, 2412553, 7237659, 21712977]

約数ペア:

[(1, 21712977), (3, 7237659), (9, 2412553), (11, 1973907), (13, 1670229), (33, 657969), (39, 556743), (99, 219323), (117, 185581), (143, 151839), (429, 50613), (1287, 16871)]