21461773

素因数分解:

${\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{241}}^1$

素因数の和:412

約数の個数: 16

約数和(自身を含む): 23425600

約数和(自身を除く): 1963827

約数列:

[1, 19, 43, 109, 241, 817, 2071, 4579, 4687, 10363, 26269, 89053, 196897, 499111, 1129567, 21461773]

約数ペア:

[(1, 21461773), (19, 1129567), (43, 499111), (109, 196897), (241, 89053), (817, 26269), (2071, 10363), (4579, 4687)]