21220776577

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3028511}}^1$

素因数の和:3028549

約数の個数: 24

約数和(自身を含む): 29001030912

約数和(自身を除く): 7780254335

約数列:

[1, 7, 11, 13, 49, 77, 91, 143, 539, 637, 1001, 7007, 3028511, 21199577, 33313621, 39370643, 148397039, 233195347, 275594501, 433077073, 1632367429, 1929161507, 3031539511, 21220776577]

約数ペア:

[(1, 21220776577), (7, 3031539511), (11, 1929161507), (13, 1632367429), (49, 433077073), (77, 275594501), (91, 233195347), (143, 148397039), (539, 39370643), (637, 33313621), (1001, 21199577), (7007, 3028511)]