21956429

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{739}}^1$

素因数の和:860

約数の個数: 16

約数和(自身を含む): 24970560

約数和(自身を除く): 3014131

約数列:

[1, 11, 37, 73, 407, 739, 803, 2701, 8129, 27343, 29711, 53947, 300773, 593417, 1996039, 21956429]

約数ペア:

[(1, 21956429), (11, 1996039), (37, 593417), (73, 300773), (407, 53947), (739, 29711), (803, 27343), (2701, 8129)]