21547263

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{5651}}^1$

素因数の和:5726

約数の個数: 16

約数和(自身を含む): 30385152

約数和(自身を除く): 8837889

約数列:

[1, 3, 31, 41, 93, 123, 1271, 3813, 5651, 16953, 175181, 231691, 525543, 695073, 7182421, 21547263]

約数ペア:

[(1, 21547263), (3, 7182421), (31, 695073), (41, 525543), (93, 231691), (123, 175181), (1271, 16953), (3813, 5651)]