21329126631

素因数分解:

$3^4\times {\mathrm{359}}^1\times {\mathrm{733489}}^1$

素因数の和:733860

約数の個数: 20

約数和(自身を含む): 31950824400

約数和(自身を除く): 10621697769

約数列:

[1, 3, 9, 27, 81, 359, 1077, 3231, 9693, 29079, 733489, 2200467, 6601401, 19804203, 59412609, 263322551, 789967653, 2369902959, 7109708877, 21329126631]

約数ペア:

[(1, 21329126631), (3, 7109708877), (9, 2369902959), (27, 789967653), (81, 263322551), (359, 59412609), (1077, 19804203), (3231, 6601401), (9693, 2200467), (29079, 733489)]