21001026

素因数分解:

$2^1\times 3^1\times {\mathrm{563}}^1\times {\mathrm{6217}}^1$

素因数の和:6785

約数の個数: 16

約数和(自身を含む): 42083424

約数和(自身を除く): 21082398

約数列:

[1, 2, 3, 6, 563, 1126, 1689, 3378, 6217, 12434, 18651, 37302, 3500171, 7000342, 10500513, 21001026]

約数ペア:

[(1, 21001026), (2, 10500513), (3, 7000342), (6, 3500171), (563, 37302), (1126, 18651), (1689, 12434), (3378, 6217)]