21000895533

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{769}}^1\times {\mathrm{97883}}^1$

素因数の和:98689

約数の個数: 24

約数和(自身を含む): 31354202880

約数和(自身を除く): 10353307347

約数列:

[1, 3, 9, 31, 93, 279, 769, 2307, 6921, 23839, 71517, 97883, 214551, 293649, 880947, 3034373, 9103119, 27309357, 75272027, 225816081, 677448243, 2333432837, 7000298511, 21000895533]

約数ペア:

[(1, 21000895533), (3, 7000298511), (9, 2333432837), (31, 677448243), (93, 225816081), (279, 75272027), (769, 27309357), (2307, 9103119), (6921, 3034373), (23839, 880947), (71517, 293649), (97883, 214551)]