21255069

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{7237}}^1$

素因数の和:7340

約数の個数: 16

約数和(自身を含む): 31268160

約数和(自身を除く): 10013091

約数列:

[1, 3, 11, 33, 89, 267, 979, 2937, 7237, 21711, 79607, 238821, 644093, 1932279, 7085023, 21255069]

約数ペア:

[(1, 21255069), (3, 7085023), (11, 1932279), (33, 644093), (89, 238821), (267, 79607), (979, 21711), (2937, 7237)]