21492897

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{887}}^1$

素因数の和:1128

約数の個数: 16

約数和(自身を含む): 29538432

約数和(自身を除く): 8045535

約数列:

[1, 3, 41, 123, 197, 591, 887, 2661, 8077, 24231, 36367, 109101, 174739, 524217, 7164299, 21492897]

約数ペア:

[(1, 21492897), (3, 7164299), (41, 524217), (123, 174739), (197, 109101), (591, 36367), (887, 24231), (2661, 8077)]