21839067

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{3037}}^1$

素因数の和:3107

約数の個数: 24

約数和(自身を含む): 34122816

約数和(自身を除く): 12283749

約数列:

[1, 3, 9, 17, 47, 51, 141, 153, 423, 799, 2397, 3037, 7191, 9111, 27333, 51629, 142739, 154887, 428217, 464661, 1284651, 2426563, 7279689, 21839067]

約数ペア:

[(1, 21839067), (3, 7279689), (9, 2426563), (17, 1284651), (47, 464661), (51, 428217), (141, 154887), (153, 142739), (423, 51629), (799, 27333), (2397, 9111), (3037, 7191)]