21930711

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{12539}}^1$

素因数の和:12606

約数の個数: 16

約数和(自身を含む): 32503680

約数和(自身を除く): 10572969

約数列:

[1, 3, 11, 33, 53, 159, 583, 1749, 12539, 37617, 137929, 413787, 664567, 1993701, 7310237, 21930711]

約数ペア:

[(1, 21930711), (3, 7310237), (11, 1993701), (33, 664567), (53, 413787), (159, 137929), (583, 37617), (1749, 12539)]