21065336

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{39301}}^1$

素因数の和:39374

約数の個数: 16

約数和(自身を含む): 40088040

約数和(自身を除く): 19022704

約数列:

[1, 2, 4, 8, 67, 134, 268, 536, 39301, 78602, 157204, 314408, 2633167, 5266334, 10532668, 21065336]

約数ペア:

[(1, 21065336), (2, 10532668), (4, 5266334), (8, 2633167), (67, 314408), (134, 157204), (268, 78602), (536, 39301)]