21030003

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{45817}}^1$

素因数の和:45843

約数の個数: 16

約数和(自身を含む): 32988960

約数和(自身を除く): 11958957

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 45817, 137451, 412353, 778889, 1237059, 2336667, 7010001, 21030003]

約数ペア:

[(1, 21030003), (3, 7010001), (9, 2336667), (17, 1237059), (27, 778889), (51, 412353), (153, 137451), (459, 45817)]