21138034

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{797}}^1$

素因数の和:1037

約数の個数: 16

約数和(自身を含む): 32319000

約数和(自身を除く): 11180966

約数列:

[1, 2, 89, 149, 178, 298, 797, 1594, 13261, 26522, 70933, 118753, 141866, 237506, 10569017, 21138034]

約数ペア:

[(1, 21138034), (2, 10569017), (89, 237506), (149, 141866), (178, 118753), (298, 70933), (797, 26522), (1594, 13261)]