21108798

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{683}}^1$

素因数の和:809

約数の個数: 48

約数和(自身を含む): 48977136

約数和(自身を除く): 27868338

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 101, 102, 153, 202, 303, 306, 606, 683, 909, 1366, 1717, 1818, 2049, 3434, 4098, 5151, 6147, 10302, 11611, 12294, 15453, 23222, 30906, 34833, 68983, 69666, 104499, 137966, 206949, 208998, 413898, 620847, 1172711, 1241694, 2345422, 3518133, 7036266, 10554399, 21108798]

約数ペア:

[(1, 21108798), (2, 10554399), (3, 7036266), (6, 3518133), (9, 2345422), (17, 1241694), (18, 1172711), (34, 620847), (51, 413898), (101, 208998), (102, 206949), (153, 137966), (202, 104499), (303, 69666), (306, 68983), (606, 34833), (683, 30906), (909, 23222), (1366, 15453), (1717, 12294), (1818, 11611), (2049, 10302), (3434, 6147), (4098, 5151)]