21259029

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{5701}}^1$

素因数の和:5828

約数の個数: 16

約数和(自身を含む): 31201344

約数和(自身を除く): 9942315

約数列:

[1, 3, 11, 33, 113, 339, 1243, 3729, 5701, 17103, 62711, 188133, 644213, 1932639, 7086343, 21259029]

約数ペア:

[(1, 21259029), (3, 7086343), (11, 1932639), (33, 644213), (113, 188133), (339, 62711), (1243, 17103), (3729, 5701)]