21231238

素因数分解:

$2^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{13913}}^1$

素因数の和:14031

約数の個数: 16

約数和(自身を含む): 36732960

約数和(自身を除く): 15501722

約数列:

[1, 2, 7, 14, 109, 218, 763, 1526, 13913, 27826, 97391, 194782, 1516517, 3033034, 10615619, 21231238]

約数ペア:

[(1, 21231238), (2, 10615619), (7, 3033034), (14, 1516517), (109, 194782), (218, 97391), (763, 27826), (1526, 13913)]