21504338

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{761}}^1$

素因数の和:1033

約数の個数: 16

約数和(自身を含む): 32918400

約数和(自身を除く): 11414062

約数列:

[1, 2, 71, 142, 199, 398, 761, 1522, 14129, 28258, 54031, 108062, 151439, 302878, 10752169, 21504338]

約数ペア:

[(1, 21504338), (2, 10752169), (71, 302878), (142, 151439), (199, 108062), (398, 54031), (761, 28258), (1522, 14129)]