21273723

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{433}}^1$

素因数の和:595

約数の個数: 24

約数和(自身を含む): 31685472

約数和(自身を除く): 10411749

約数列:

[1, 3, 9, 53, 103, 159, 309, 433, 477, 927, 1299, 3897, 5459, 16377, 22949, 44599, 49131, 68847, 133797, 206541, 401391, 2363747, 7091241, 21273723]

約数ペア:

[(1, 21273723), (3, 7091241), (9, 2363747), (53, 401391), (103, 206541), (159, 133797), (309, 68847), (433, 49131), (477, 44599), (927, 22949), (1299, 16377), (3897, 5459)]