21212137

素因数分解:

${\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{373}}^1$

素因数の和:492

約数の個数: 16

約数和(自身を含む): 23023440

約数和(自身を除く): 1811303

約数列:

[1, 29, 37, 53, 373, 1073, 1537, 1961, 10817, 13801, 19769, 56869, 400229, 573301, 731453, 21212137]

約数ペア:

[(1, 21212137), (29, 731453), (37, 573301), (53, 400229), (373, 56869), (1073, 19769), (1537, 13801), (1961, 10817)]