21365384157

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{2213}}^1$

素因数の和:2395

約数の個数: 96

約数和(自身を含む): 36168612480

約数和(自身を除く): 14803228323

約数列:

[1, 3, 9, 13, 19, 39, 43, 57, 101, 117, 129, 171, 247, 303, 387, 559, 741, 817, 909, 1313, 1677, 1919, 2213, 2223, 2451, 3939, 4343, 5031, 5757, 6639, 7353, 10621, 11817, 13029, 17271, 19917, 24947, 28769, 31863, 39087, 42047, 56459, 74841, 82517, 86307, 95159, 95589, 126141, 169377, 223513, 224523, 247551, 258921, 285477, 378423, 508131, 546611, 670539, 742653, 856431, 1072721, 1237067, 1639833, 1808021, 2011617, 2905669, 3218163, 3711201, 4246747, 4919499, 5424063, 8717007, 9611059, 9654489, 11133603, 12740241, 16272189, 23504273, 26151021, 28833177, 38220723, 55207711, 70512819, 86499531, 124943767, 165623133, 182610121, 211538457, 374831301, 496869399, 547830363, 1124493903, 1643491089, 2373931573, 7121794719, 21365384157]

約数ペア:

[(1, 21365384157), (3, 7121794719), (9, 2373931573), (13, 1643491089), (19, 1124493903), (39, 547830363), (43, 496869399), (57, 374831301), (101, 211538457), (117, 182610121), (129, 165623133), (171, 124943767), (247, 86499531), (303, 70512819), (387, 55207711), (559, 38220723), (741, 28833177), (817, 26151021), (909, 23504273), (1313, 16272189), (1677, 12740241), (1919, 11133603), (2213, 9654489), (2223, 9611059), (2451, 8717007), (3939, 5424063), (4343, 4919499), (5031, 4246747), (5757, 3711201), (6639, 3218163), (7353, 2905669), (10621, 2011617), (11817, 1808021), (13029, 1639833), (17271, 1237067), (19917, 1072721), (24947, 856431), (28769, 742653), (31863, 670539), (39087, 546611), (42047, 508131), (56459, 378423), (74841, 285477), (82517, 258921), (86307, 247551), (95159, 224523), (95589, 223513), (126141, 169377)]