21059035

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{2389}}^1$

素因数の和:2478

約数の個数: 16

約数和(自身を含む): 26500320

約数和(自身を除く): 5441285

約数列:

[1, 5, 41, 43, 205, 215, 1763, 2389, 8815, 11945, 97949, 102727, 489745, 513635, 4211807, 21059035]

約数ペア:

[(1, 21059035), (5, 4211807), (41, 513635), (43, 489745), (205, 102727), (215, 97949), (1763, 11945), (2389, 8815)]