21757368321

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5998723}}^1$

素因数の和:5998773

約数の個数: 24

約数和(自身を含む): 34936568576

約数和(自身を除く): 13179200255

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 279, 403, 1209, 3627, 5998723, 17996169, 53988507, 77983399, 185960413, 233950197, 557881239, 701850591, 1673643717, 2417485369, 7252456107, 21757368321]

約数ペア:

[(1, 21757368321), (3, 7252456107), (9, 2417485369), (13, 1673643717), (31, 701850591), (39, 557881239), (93, 233950197), (117, 185960413), (279, 77983399), (403, 53988507), (1209, 17996169), (3627, 5998723)]