217070821

素因数分解:

${\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1\times {\mathrm{941}}^1$

素因数の和:1332

約数の個数: 16

約数和(自身を含む): 241363008

約数和(自身を除く): 24292187

約数列:

[1, 11, 67, 313, 737, 941, 3443, 10351, 20971, 63047, 230681, 294533, 693517, 3239863, 19733711, 217070821]

約数ペア:

[(1, 217070821), (11, 19733711), (67, 3239863), (313, 693517), (737, 294533), (941, 230681), (3443, 63047), (10351, 20971)]