21091938

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{26431}}^1$

素因数の和:26462

約数の個数: 32

約数和(自身を含む): 50749440

約数和(自身を除く): 29657502

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798, 26431, 52862, 79293, 158586, 185017, 370034, 502189, 555051, 1004378, 1110102, 1506567, 3013134, 3515323, 7030646, 10545969, 21091938]

約数ペア:

[(1, 21091938), (2, 10545969), (3, 7030646), (6, 3515323), (7, 3013134), (14, 1506567), (19, 1110102), (21, 1004378), (38, 555051), (42, 502189), (57, 370034), (114, 185017), (133, 158586), (266, 79293), (399, 52862), (798, 26431)]