21568631

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{859}}^1$

素因数の和:1094

約数の個数: 16

約数和(自身を含む): 26254080

約数和(自身を除く): 4685449

約数列:

[1, 7, 17, 119, 211, 859, 1477, 3587, 6013, 14603, 25109, 102221, 181249, 1268743, 3081233, 21568631]

約数ペア:

[(1, 21568631), (7, 3081233), (17, 1268743), (119, 181249), (211, 102221), (859, 25109), (1477, 14603), (3587, 6013)]