21546483

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{223}}^1$

素因数の和:383

約数の個数: 32

約数和(自身を含む): 34062336

約数和(自身を除く): 12515853

約数列:

[1, 3, 7, 21, 43, 107, 129, 223, 301, 321, 669, 749, 903, 1561, 2247, 4601, 4683, 9589, 13803, 23861, 28767, 32207, 67123, 71583, 96621, 167027, 201369, 501081, 1026023, 3078069, 7182161, 21546483]

約数ペア:

[(1, 21546483), (3, 7182161), (7, 3078069), (21, 1026023), (43, 501081), (107, 201369), (129, 167027), (223, 96621), (301, 71583), (321, 67123), (669, 32207), (749, 28767), (903, 23861), (1561, 13803), (2247, 9589), (4601, 4683)]