21027545

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{54617}}^1$

素因数の和:54640

約数の個数: 16

約数和(自身を含む): 31459968

約数和(自身を除く): 10432423

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 54617, 273085, 382319, 600787, 1911595, 3003935, 4205509, 21027545]

約数ペア:

[(1, 21027545), (5, 4205509), (7, 3003935), (11, 1911595), (35, 600787), (55, 382319), (77, 273085), (385, 54617)]