21189693

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2309}}^1$

素因数の和:2361

約数の個数: 32

約数和(自身を含む): 35481600

約数和(自身を除く): 14291907

約数列:

[1, 3, 7, 19, 21, 23, 57, 69, 133, 161, 399, 437, 483, 1311, 2309, 3059, 6927, 9177, 16163, 43871, 48489, 53107, 131613, 159321, 307097, 371749, 921291, 1009033, 1115247, 3027099, 7063231, 21189693]

約数ペア:

[(1, 21189693), (3, 7063231), (7, 3027099), (19, 1115247), (21, 1009033), (23, 921291), (57, 371749), (69, 307097), (133, 159321), (161, 131613), (399, 53107), (437, 48489), (483, 43871), (1311, 16163), (2309, 9177), (3059, 6927)]