21301255

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{1913}}^1$

素因数の和:2066

約数の個数: 16

約数和(自身を含む): 27285984

約数和(自身を除く): 5984729

約数列:

[1, 5, 17, 85, 131, 655, 1913, 2227, 9565, 11135, 32521, 162605, 250603, 1253015, 4260251, 21301255]

約数ペア:

[(1, 21301255), (5, 4260251), (17, 1253015), (85, 250603), (131, 162605), (655, 32521), (1913, 11135), (2227, 9565)]