21899628

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{317}}^1$

素因数の和:447

約数の個数: 72

約数和(自身を含む): 59033520

約数和(自身を除く): 37133892

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 101, 114, 171, 202, 228, 303, 317, 342, 404, 606, 634, 684, 909, 951, 1212, 1268, 1818, 1902, 1919, 2853, 3636, 3804, 3838, 5706, 5757, 6023, 7676, 11412, 11514, 12046, 17271, 18069, 23028, 24092, 32017, 34542, 36138, 54207, 64034, 69084, 72276, 96051, 108414, 128068, 192102, 216828, 288153, 384204, 576306, 608323, 1152612, 1216646, 1824969, 2433292, 3649938, 5474907, 7299876, 10949814, 21899628]

約数ペア:

[(1, 21899628), (2, 10949814), (3, 7299876), (4, 5474907), (6, 3649938), (9, 2433292), (12, 1824969), (18, 1216646), (19, 1152612), (36, 608323), (38, 576306), (57, 384204), (76, 288153), (101, 216828), (114, 192102), (171, 128068), (202, 108414), (228, 96051), (303, 72276), (317, 69084), (342, 64034), (404, 54207), (606, 36138), (634, 34542), (684, 32017), (909, 24092), (951, 23028), (1212, 18069), (1268, 17271), (1818, 12046), (1902, 11514), (1919, 11412), (2853, 7676), (3636, 6023), (3804, 5757), (3838, 5706)]