21288255693

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{269}}^1\times {\mathrm{361363}}^1$

素因数の和:361708

約数の個数: 16

約数和(自身を含む): 28880210880

約数和(自身を除く): 7591955187

約数列:

[1, 3, 73, 219, 269, 807, 19637, 58911, 361363, 1084089, 26379499, 79138497, 97206647, 291619941, 7096085231, 21288255693]

約数ペア:

[(1, 21288255693), (3, 7096085231), (73, 291619941), (219, 97206647), (269, 79138497), (807, 26379499), (19637, 1084089), (58911, 361363)]