21281394

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{154213}}^1$

素因数の和:154241

約数の個数: 16

約数和(自身を含む): 44413632

約数和(自身を除く): 23132238

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 154213, 308426, 462639, 925278, 3546899, 7093798, 10640697, 21281394]

約数ペア:

[(1, 21281394), (2, 10640697), (3, 7093798), (6, 3546899), (23, 925278), (46, 462639), (69, 308426), (138, 154213)]