20210589

素因数分解:

$3^2\times 7^3\times {\mathrm{6547}}^1$

素因数の和:6574

約数の個数: 24

約数和(自身を含む): 34049600

約数和(自身を除く): 13839011

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 6547, 19641, 45829, 58923, 137487, 320803, 412461, 962409, 2245621, 2887227, 6736863, 20210589]

約数ペア:

[(1, 20210589), (3, 6736863), (7, 2887227), (9, 2245621), (21, 962409), (49, 412461), (63, 320803), (147, 137487), (343, 58923), (441, 45829), (1029, 19641), (3087, 6547)]