21176441

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:353

約数の個数: 32

約数和(自身を含む): 27288576

約数和(自身を除く): 6112135

約数列:

[1, 11, 13, 17, 31, 143, 187, 221, 281, 341, 403, 527, 2431, 3091, 3653, 4433, 4777, 5797, 6851, 8711, 40183, 52547, 62101, 75361, 95821, 113243, 148087, 683111, 1245673, 1628957, 1925131, 21176441]

約数ペア:

[(1, 21176441), (11, 1925131), (13, 1628957), (17, 1245673), (31, 683111), (143, 148087), (187, 113243), (221, 95821), (281, 75361), (341, 62101), (403, 52547), (527, 40183), (2431, 8711), (3091, 6851), (3653, 5797), (4433, 4777)]