21634431

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{11321}}^1$

素因数の和:11351

約数の個数: 24

約数和(自身を含む): 36139824

約数和(自身を除く): 14505393

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 11321, 33963, 79247, 147173, 237741, 441519, 554729, 1030211, 1664187, 3090633, 7211477, 21634431]

約数ペア:

[(1, 21634431), (3, 7211477), (7, 3090633), (13, 1664187), (21, 1030211), (39, 554729), (49, 441519), (91, 237741), (147, 147173), (273, 79247), (637, 33963), (1911, 11321)]