20010921

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{56053}}^1$

素因数の和:56080

約数の個数: 16

約数和(自身を含む): 32287104

約数和(自身を除く): 12276183

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 56053, 168159, 392371, 952901, 1177113, 2858703, 6670307, 20010921]

約数ペア:

[(1, 20010921), (3, 6670307), (7, 2858703), (17, 1177113), (21, 952901), (51, 392371), (119, 168159), (357, 56053)]