21936695

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{359}}^1$

素因数の和:487

約数の個数: 24

約数和(自身を含む): 29302560

約数和(自身を除く): 7365865

約数列:

[1, 5, 11, 55, 101, 121, 359, 505, 605, 1111, 1795, 3949, 5555, 12221, 19745, 36259, 43439, 61105, 181295, 217195, 398849, 1994245, 4387339, 21936695]

約数ペア:

[(1, 21936695), (5, 4387339), (11, 1994245), (55, 398849), (101, 217195), (121, 181295), (359, 61105), (505, 43439), (605, 36259), (1111, 19745), (1795, 12221), (3949, 5555)]