21447108

素因数分解:

$2^2\times 3^2\times {\mathrm{73}}^1\times {\mathrm{8161}}^1$

素因数の和:8244

約数の個数: 36

約数和(自身を含む): 54962908

約数和(自身を除く): 33515800

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 73, 146, 219, 292, 438, 657, 876, 1314, 2628, 8161, 16322, 24483, 32644, 48966, 73449, 97932, 146898, 293796, 595753, 1191506, 1787259, 2383012, 3574518, 5361777, 7149036, 10723554, 21447108]

約数ペア:

[(1, 21447108), (2, 10723554), (3, 7149036), (4, 5361777), (6, 3574518), (9, 2383012), (12, 1787259), (18, 1191506), (36, 595753), (73, 293796), (146, 146898), (219, 97932), (292, 73449), (438, 48966), (657, 32644), (876, 24483), (1314, 16322), (2628, 8161)]