21138633

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{6007}}^1$

素因数の和:6053

約数の個数: 24

約数和(自身を含む): 33740928

約数和(自身を除く): 12602295

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 1173, 3519, 6007, 18021, 54063, 102119, 138161, 306357, 414483, 919071, 1243449, 2348737, 7046211, 21138633]

約数ペア:

[(1, 21138633), (3, 7046211), (9, 2348737), (17, 1243449), (23, 919071), (51, 414483), (69, 306357), (153, 138161), (207, 102119), (391, 54063), (1173, 18021), (3519, 6007)]