21000643261

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{432281}}^1$

素因数の和:432432

約数の個数: 16

約数和(自身を含む): 23457350448

約数和(自身を除く): 2456707187

約数列:

[1, 13, 37, 101, 481, 1313, 3737, 48581, 432281, 5619653, 15994397, 43660381, 207927161, 567584953, 1615434097, 21000643261]

約数ペア:

[(1, 21000643261), (13, 1615434097), (37, 567584953), (101, 207927161), (481, 43660381), (1313, 15994397), (3737, 5619653), (48581, 432281)]