21326778

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{5669}}^1$

素因数の和:5707

約数の個数: 48

約数和(自身を含む): 53071200

約数和(自身を除く): 31744422

約数列:

[1, 2, 3, 6, 9, 11, 18, 19, 22, 33, 38, 57, 66, 99, 114, 171, 198, 209, 342, 418, 627, 1254, 1881, 3762, 5669, 11338, 17007, 34014, 51021, 62359, 102042, 107711, 124718, 187077, 215422, 323133, 374154, 561231, 646266, 969399, 1122462, 1184821, 1938798, 2369642, 3554463, 7108926, 10663389, 21326778]

約数ペア:

[(1, 21326778), (2, 10663389), (3, 7108926), (6, 3554463), (9, 2369642), (11, 1938798), (18, 1184821), (19, 1122462), (22, 969399), (33, 646266), (38, 561231), (57, 374154), (66, 323133), (99, 215422), (114, 187077), (171, 124718), (198, 107711), (209, 102042), (342, 62359), (418, 51021), (627, 34014), (1254, 17007), (1881, 11338), (3762, 5669)]