21573237

素因数分解:

$3^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{4409}}^1$

素因数の和:4652

約数の個数: 16

約数和(自身を含む): 33022080

約数和(自身を除く): 11448843

約数列:

[1, 3, 7, 21, 233, 699, 1631, 4409, 4893, 13227, 30863, 92589, 1027297, 3081891, 7191079, 21573237]

約数ペア:

[(1, 21573237), (3, 7191079), (7, 3081891), (21, 1027297), (233, 92589), (699, 30863), (1631, 13227), (4409, 4893)]