21105173661

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1696421}}^1$

素因数の和:1696477

約数の個数: 32

約数和(自身を含む): 34199867520

約数和(自身を除く): 13094693859

約数列:

[1, 3, 11, 13, 29, 33, 39, 87, 143, 319, 377, 429, 957, 1131, 4147, 12441, 1696421, 5089263, 18660631, 22053473, 49196209, 55981893, 66160419, 147588627, 242588203, 541158299, 639550717, 727764609, 1623474897, 1918652151, 7035057887, 21105173661]

約数ペア:

[(1, 21105173661), (3, 7035057887), (11, 1918652151), (13, 1623474897), (29, 727764609), (33, 639550717), (39, 541158299), (87, 242588203), (143, 147588627), (319, 66160419), (377, 55981893), (429, 49196209), (957, 22053473), (1131, 18660631), (4147, 5089263), (12441, 1696421)]