21962941

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{593}}^1$

素因数の和:661

約数の個数: 32

約数和(自身を含む): 30336768

約数和(自身を除く): 8373827

約数列:

[1, 7, 11, 13, 37, 77, 91, 143, 259, 407, 481, 593, 1001, 2849, 3367, 4151, 5291, 6523, 7709, 21941, 37037, 45661, 53963, 84799, 153587, 241351, 285233, 593593, 1689457, 1996631, 3137563, 21962941]

約数ペア:

[(1, 21962941), (7, 3137563), (11, 1996631), (13, 1689457), (37, 593593), (77, 285233), (91, 241351), (143, 153587), (259, 84799), (407, 53963), (481, 45661), (593, 37037), (1001, 21941), (2849, 7709), (3367, 6523), (4151, 5291)]