21604659

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{353}}^1\times {\mathrm{887}}^1$

素因数の和:1266

約数の個数: 16

約数和(自身を含む): 30177792

約数和(自身を除く): 8573133

約数列:

[1, 3, 23, 69, 353, 887, 1059, 2661, 8119, 20401, 24357, 61203, 313111, 939333, 7201553, 21604659]

約数ペア:

[(1, 21604659), (3, 7201553), (23, 939333), (69, 313111), (353, 61203), (887, 24357), (1059, 20401), (2661, 8119)]