21000549881

素因数分解:

${\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{2591}}^1\times {\mathrm{6367}}^1$

素因数の和:9044

約数の個数: 16

約数和(自身を含む): 22447964160

約数和(自身を除く): 1447414279

約数列:

[1, 19, 67, 1273, 2591, 6367, 49229, 120973, 173597, 426589, 3298343, 8105191, 16496897, 313441043, 1105292099, 21000549881]

約数ペア:

[(1, 21000549881), (19, 1105292099), (67, 313441043), (1273, 16496897), (2591, 8105191), (6367, 3298343), (49229, 426589), (120973, 173597)]