21541311

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{7019}}^1$

素因数の和:7067

約数の個数: 24

約数和(自身を含む): 35043840

約数和(自身を除く): 13502529

約数列:

[1, 3, 9, 11, 31, 33, 93, 99, 279, 341, 1023, 3069, 7019, 21057, 63171, 77209, 217589, 231627, 652767, 694881, 1958301, 2393479, 7180437, 21541311]

約数ペア:

[(1, 21541311), (3, 7180437), (9, 2393479), (11, 1958301), (31, 694881), (33, 652767), (93, 231627), (99, 217589), (279, 77209), (341, 63171), (1023, 21057), (3069, 7019)]