2021848857

素因数分解:

$3^4\times 7^1\times {\mathrm{3565871}}^1$

素因数の和:3565890

約数の個数: 20

約数和(自身を含む): 3451764096

約数和(自身を除く): 1429915239

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 3565871, 10697613, 24961097, 32092839, 74883291, 96278517, 224649873, 288835551, 673949619, 2021848857]

約数ペア:

[(1, 2021848857), (3, 673949619), (7, 288835551), (9, 224649873), (21, 96278517), (27, 74883291), (63, 32092839), (81, 24961097), (189, 10697613), (567, 3565871)]