21095556291

素因数分解:

$3^2\times {\mathrm{251}}^1\times {\mathrm{797}}^1\times {\mathrm{11717}}^1$

素因数の和:12771

約数の個数: 24

約数和(自身を含む): 30633758064

約数和(自身を除く): 9538201773

約数列:

[1, 3, 9, 251, 753, 797, 2259, 2391, 7173, 11717, 35151, 105453, 200047, 600141, 1800423, 2940967, 8822901, 9338449, 26468703, 28015347, 84046041, 2343950699, 7031852097, 21095556291]

約数ペア:

[(1, 21095556291), (3, 7031852097), (9, 2343950699), (251, 84046041), (753, 28015347), (797, 26468703), (2259, 9338449), (2391, 8822901), (7173, 2940967), (11717, 1800423), (35151, 600141), (105453, 200047)]