21608581

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{313}}^1$

素因数の和:492

約数の個数: 16

約数和(自身を含む): 23874048

約数和(自身を除く): 2265467

約数列:

[1, 17, 31, 131, 313, 527, 2227, 4061, 5321, 9703, 41003, 69037, 164951, 697051, 1271093, 21608581]

約数ペア:

[(1, 21608581), (17, 1271093), (31, 697051), (131, 164951), (313, 69037), (527, 41003), (2227, 9703), (4061, 5321)]