2021404791

素因数分解:

$3^1\times 7^2\times {\mathrm{1171}}^1\times {\mathrm{11743}}^1$

素因数の和:12931

約数の個数: 24

約数和(自身を含む): 3138184704

約数和(自身を除く): 1116779913

約数列:

[1, 3, 7, 21, 49, 147, 1171, 3513, 8197, 11743, 24591, 35229, 57379, 82201, 172137, 246603, 575407, 1726221, 13751053, 41253159, 96257371, 288772113, 673801597, 2021404791]

約数ペア:

[(1, 2021404791), (3, 673801597), (7, 288772113), (21, 96257371), (49, 41253159), (147, 13751053), (1171, 1726221), (3513, 575407), (8197, 246603), (11743, 172137), (24591, 82201), (35229, 57379)]