21961611

素因数分解:

$3^5\times 7^1\times {\mathrm{12911}}^1$

素因数の和:12933

約数の個数: 24

約数和(自身を含む): 37599744

約数和(自身を除く): 15638133

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 12911, 38733, 90377, 116199, 271131, 348597, 813393, 1045791, 2440179, 3137373, 7320537, 21961611]

約数ペア:

[(1, 21961611), (3, 7320537), (7, 3137373), (9, 2440179), (21, 1045791), (27, 813393), (63, 348597), (81, 271131), (189, 116199), (243, 90377), (567, 38733), (1701, 12911)]