21955175

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2753}}^1$

素因数の和:2803

約数の個数: 24

約数和(自身を含む): 30734640

約数和(自身を除く): 8779465

約数列:

[1, 5, 11, 25, 29, 55, 145, 275, 319, 725, 1595, 2753, 7975, 13765, 30283, 68825, 79837, 151415, 399185, 757075, 878207, 1995925, 4391035, 21955175]

約数ペア:

[(1, 21955175), (5, 4391035), (11, 1995925), (25, 878207), (29, 757075), (55, 399185), (145, 151415), (275, 79837), (319, 68825), (725, 30283), (1595, 13765), (2753, 7975)]