21262835951

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{34747}}^1$

素因数の和:34923

約数の個数: 32

約数和(自身を含む): 26419599360

約数和(自身を除く): 5156763409

約数列:

[1, 7, 19, 43, 107, 133, 301, 749, 817, 2033, 4601, 5719, 14231, 32207, 34747, 87419, 243229, 611933, 660193, 1494121, 3717929, 4621351, 10458847, 26025503, 28388299, 70640651, 159870947, 198718093, 494484557, 1119096629, 3037547993, 21262835951]

約数ペア:

[(1, 21262835951), (7, 3037547993), (19, 1119096629), (43, 494484557), (107, 198718093), (133, 159870947), (301, 70640651), (749, 28388299), (817, 26025503), (2033, 10458847), (4601, 4621351), (5719, 3717929), (14231, 1494121), (32207, 660193), (34747, 611933), (87419, 243229)]