21035619

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{23609}}^1$

素因数の和:23632

約数の個数: 20

約数和(自身を含む): 34281720

約数和(自身を除く): 13246101

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 23609, 70827, 212481, 259699, 637443, 779097, 1912329, 2337291, 7011873, 21035619]

約数ペア:

[(1, 21035619), (3, 7011873), (9, 2337291), (11, 1912329), (27, 779097), (33, 637443), (81, 259699), (99, 212481), (297, 70827), (891, 23609)]