21512724

素因数分解:

$2^2\times 3^1\times {\mathrm{89}}^1\times {\mathrm{20143}}^1$

素因数の和:20239

約数の個数: 24

約数和(自身を含む): 50762880

約数和(自身を除く): 29250156

約数列:

[1, 2, 3, 4, 6, 12, 89, 178, 267, 356, 534, 1068, 20143, 40286, 60429, 80572, 120858, 241716, 1792727, 3585454, 5378181, 7170908, 10756362, 21512724]

約数ペア:

[(1, 21512724), (2, 10756362), (3, 7170908), (4, 5378181), (6, 3585454), (12, 1792727), (89, 241716), (178, 120858), (267, 80572), (356, 60429), (534, 40286), (1068, 20143)]