21526827

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{6367}}^1$

素因数の和:6407

約数の個数: 24

約数和(自身を含む): 34845696

約数和(自身を除く): 13318869

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 483, 1127, 3381, 6367, 19101, 44569, 133707, 146441, 311983, 439323, 935949, 1025087, 3075261, 7175609, 21526827]

約数ペア:

[(1, 21526827), (3, 7175609), (7, 3075261), (21, 1025087), (23, 935949), (49, 439323), (69, 311983), (147, 146441), (161, 133707), (483, 44569), (1127, 19101), (3381, 6367)]