21310254

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{169129}}^1$

素因数の和:169144

約数の個数: 24

約数和(自身を含む): 52768560

約数和(自身を除く): 31458306

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 169129, 338258, 507387, 1014774, 1183903, 1522161, 2367806, 3044322, 3551709, 7103418, 10655127, 21310254]

約数ペア:

[(1, 21310254), (2, 10655127), (3, 7103418), (6, 3551709), (7, 3044322), (9, 2367806), (14, 1522161), (18, 1183903), (21, 1014774), (42, 507387), (63, 338258), (126, 169129)]