21363147

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1163}}^1$

素因数の和:1339

約数の個数: 24

約数和(自身を含む): 33471984

約数和(自身を除く): 12108837

約数列:

[1, 3, 9, 13, 39, 117, 157, 471, 1163, 1413, 2041, 3489, 6123, 10467, 15119, 18369, 45357, 136071, 182591, 547773, 1643319, 2373683, 7121049, 21363147]

約数ペア:

[(1, 21363147), (3, 7121049), (9, 2373683), (13, 1643319), (39, 547773), (117, 182591), (157, 136071), (471, 45357), (1163, 18369), (1413, 15119), (2041, 10467), (3489, 6123)]