21698725

素因数分解:

$5^2\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{313}}^1$

素因数の和:429

約数の個数: 24

約数和(自身を含む): 28033920

約数和(自身を除く): 6335195

約数列:

[1, 5, 25, 47, 59, 235, 295, 313, 1175, 1475, 1565, 2773, 7825, 13865, 14711, 18467, 69325, 73555, 92335, 367775, 461675, 867949, 4339745, 21698725]

約数ペア:

[(1, 21698725), (5, 4339745), (25, 867949), (47, 461675), (59, 367775), (235, 92335), (295, 73555), (313, 69325), (1175, 18467), (1475, 14711), (1565, 13865), (2773, 7825)]