21192527

素因数分解:

${\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:298

約数の個数: 16

約数和(自身を含む): 22604832

約数和(自身を除く): 1412305

約数列:

[1, 37, 53, 101, 107, 1961, 3737, 3959, 5353, 5671, 10807, 198061, 209827, 399859, 572771, 21192527]

約数ペア:

[(1, 21192527), (37, 572771), (53, 399859), (101, 209827), (107, 198061), (1961, 10807), (3737, 5671), (3959, 5353)]