21770554

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{709}}^1\times {\mathrm{1181}}^1$

素因数の和:1905

約数の個数: 16

約数和(自身を含む): 35247240

約数和(自身を除く): 13476686

約数列:

[1, 2, 13, 26, 709, 1181, 1418, 2362, 9217, 15353, 18434, 30706, 837329, 1674658, 10885277, 21770554]

約数ペア:

[(1, 21770554), (2, 10885277), (13, 1674658), (26, 837329), (709, 30706), (1181, 18434), (1418, 15353), (2362, 9217)]