21779023

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1\times {\mathrm{461}}^1$

素因数の和:882

約数の個数: 16

約数和(自身を含む): 26478144

約数和(自身を除く): 4699121

約数列:

[1, 7, 17, 119, 397, 461, 2779, 3227, 6749, 7837, 47243, 54859, 183017, 1281119, 3111289, 21779023]

約数ペア:

[(1, 21779023), (7, 3111289), (17, 1281119), (119, 183017), (397, 54859), (461, 47243), (2779, 7837), (3227, 6749)]