21303417

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1\times {\mathrm{577}}^1$

素因数の和:1008

約数の個数: 16

約数和(自身を含む): 29445632

約数和(自身を除く): 8142215

約数列:

[1, 3, 31, 93, 397, 577, 1191, 1731, 12307, 17887, 36921, 53661, 229069, 687207, 7101139, 21303417]

約数ペア:

[(1, 21303417), (3, 7101139), (31, 687207), (93, 229069), (397, 53661), (577, 36921), (1191, 17887), (1731, 12307)]