2106005

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{59}}^2$

素因数の和:145

約数の個数: 18

約数和(自身を含む): 2825718

約数和(自身を除く): 719713

約数列:

[1, 5, 11, 55, 59, 121, 295, 605, 649, 3245, 3481, 7139, 17405, 35695, 38291, 191455, 421201, 2106005]

約数ペア:

[(1, 2106005), (5, 421201), (11, 191455), (55, 38291), (59, 35695), (121, 17405), (295, 7139), (605, 3481), (649, 3245)]