21453993

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{3673}}^1$

素因数の和:3749

約数の個数: 24

約数和(自身を含む): 34388640

約数和(自身を除く): 12934647

約数列:

[1, 3, 9, 11, 33, 59, 99, 177, 531, 649, 1947, 3673, 5841, 11019, 33057, 40403, 121209, 216707, 363627, 650121, 1950363, 2383777, 7151331, 21453993]

約数ペア:

[(1, 21453993), (3, 7151331), (9, 2383777), (11, 1950363), (33, 650121), (59, 363627), (99, 216707), (177, 121209), (531, 40403), (649, 33057), (1947, 11019), (3673, 5841)]