21592467

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{271}}^1$

素因数の和:520

約数の個数: 32

約数和(自身を含む): 34728960

約数和(自身を除く): 13136493

約数列:

[1, 3, 9, 13, 27, 39, 117, 227, 271, 351, 681, 813, 2043, 2439, 2951, 3523, 6129, 7317, 8853, 10569, 26559, 31707, 61517, 79677, 95121, 184551, 553653, 799721, 1660959, 2399163, 7197489, 21592467]

約数ペア:

[(1, 21592467), (3, 7197489), (9, 2399163), (13, 1660959), (27, 799721), (39, 553653), (117, 184551), (227, 95121), (271, 79677), (351, 61517), (681, 31707), (813, 26559), (2043, 10569), (2439, 8853), (2951, 7317), (3523, 6129)]