21799107

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{7103}}^1$

素因数の和:7151

約数の個数: 24

約数和(自身を含む): 35463168

約数和(自身を除く): 13664061

約数列:

[1, 3, 9, 11, 31, 33, 93, 99, 279, 341, 1023, 3069, 7103, 21309, 63927, 78133, 220193, 234399, 660579, 703197, 1981737, 2422123, 7266369, 21799107]

約数ペア:

[(1, 21799107), (3, 7266369), (9, 2422123), (11, 1981737), (31, 703197), (33, 660579), (93, 234399), (99, 220193), (279, 78133), (341, 63927), (1023, 21309), (3069, 7103)]