21063172535

素因数分解:

$5^1\times {\mathrm{109}}^1\times {\mathrm{1223}}^1\times {\mathrm{31601}}^1$

素因数の和:32938

約数の個数: 16

約数和(自身を含む): 25529359680

約数和(自身を除く): 4466187145

約数列:

[1, 5, 109, 545, 1223, 6115, 31601, 133307, 158005, 666535, 3444509, 17222545, 38648023, 193240115, 4212634507, 21063172535]

約数ペア:

[(1, 21063172535), (5, 4212634507), (109, 193240115), (545, 38648023), (1223, 17222545), (6115, 3444509), (31601, 666535), (133307, 158005)]