21301765

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{3433}}^1$

素因数の和:3528

約数の個数: 16

約数和(自身を含む): 27444528

約数和(自身を除く): 6142763

約数列:

[1, 5, 17, 73, 85, 365, 1241, 3433, 6205, 17165, 58361, 250609, 291805, 1253045, 4260353, 21301765]

約数ペア:

[(1, 21301765), (5, 4260353), (17, 1253045), (73, 291805), (85, 250609), (365, 58361), (1241, 17165), (3433, 6205)]