21427938

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{170063}}^1$

素因数の和:170078

約数の個数: 24

約数和(自身を含む): 53059968

約数和(自身を除く): 31632030

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 170063, 340126, 510189, 1020378, 1190441, 1530567, 2380882, 3061134, 3571323, 7142646, 10713969, 21427938]

約数ペア:

[(1, 21427938), (2, 10713969), (3, 7142646), (6, 3571323), (7, 3061134), (9, 2380882), (14, 1530567), (18, 1190441), (21, 1020378), (42, 510189), (63, 340126), (126, 170063)]