21763254987

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{986593}}^1$

素因数の和:986664

約数の個数: 32

約数和(自身を含む): 34728108800

約数和(自身を除く): 12964853813

約数列:

[1, 3, 9, 19, 27, 43, 57, 129, 171, 387, 513, 817, 1161, 2451, 7353, 22059, 986593, 2959779, 8879337, 18745267, 26638011, 42423499, 56235801, 127270497, 168707403, 381811491, 506122209, 806046481, 1145434473, 2418139443, 7254418329, 21763254987]

約数ペア:

[(1, 21763254987), (3, 7254418329), (9, 2418139443), (19, 1145434473), (27, 806046481), (43, 506122209), (57, 381811491), (129, 168707403), (171, 127270497), (387, 56235801), (513, 42423499), (817, 26638011), (1161, 18745267), (2451, 8879337), (7353, 2959779), (22059, 986593)]