2021020131

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{331}}^1\times {\mathrm{12043}}^1$

素因数の和:12403

約数の個数: 24

約数和(自身を含む): 2926981056

約数和(自身を除く): 905960925

約数列:

[1, 3, 13, 39, 169, 331, 507, 993, 4303, 12043, 12909, 36129, 55939, 156559, 167817, 469677, 2035267, 3986233, 6105801, 11958699, 51821029, 155463087, 673673377, 2021020131]

約数ペア:

[(1, 2021020131), (3, 673673377), (13, 155463087), (39, 51821029), (169, 11958699), (331, 6105801), (507, 3986233), (993, 2035267), (4303, 469677), (12043, 167817), (12909, 156559), (36129, 55939)]