21244035

素因数分解:

$3^1\times 5^1\times {\mathrm{797}}^1\times {\mathrm{1777}}^1$

素因数の和:2582

約数の個数: 16

約数和(自身を含む): 34052256

約数和(自身を除く): 12808221

約数列:

[1, 3, 5, 15, 797, 1777, 2391, 3985, 5331, 8885, 11955, 26655, 1416269, 4248807, 7081345, 21244035]

約数ペア:

[(1, 21244035), (3, 7081345), (5, 4248807), (15, 1416269), (797, 26655), (1777, 11955), (2391, 8885), (3985, 5331)]