21419574

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:114

約数の個数: 96

約数和(自身を含む): 52669440

約数和(自身を除く): 31249866

約数列:

[1, 2, 3, 6, 11, 19, 22, 29, 31, 33, 38, 57, 58, 62, 66, 87, 93, 114, 174, 186, 209, 319, 341, 361, 418, 551, 589, 627, 638, 682, 722, 899, 957, 1023, 1083, 1102, 1178, 1254, 1653, 1767, 1798, 1914, 2046, 2166, 2697, 3306, 3534, 3971, 5394, 6061, 6479, 7942, 9889, 10469, 11191, 11913, 12122, 12958, 17081, 18183, 19437, 19778, 20938, 22382, 23826, 29667, 31407, 33573, 34162, 36366, 38874, 51243, 59334, 62814, 67146, 102486, 115159, 123101, 187891, 230318, 246202, 324539, 345477, 369303, 375782, 563673, 649078, 690954, 738606, 973617, 1127346, 1947234, 3569929, 7139858, 10709787, 21419574]

約数ペア:

[(1, 21419574), (2, 10709787), (3, 7139858), (6, 3569929), (11, 1947234), (19, 1127346), (22, 973617), (29, 738606), (31, 690954), (33, 649078), (38, 563673), (57, 375782), (58, 369303), (62, 345477), (66, 324539), (87, 246202), (93, 230318), (114, 187891), (174, 123101), (186, 115159), (209, 102486), (319, 67146), (341, 62814), (361, 59334), (418, 51243), (551, 38874), (589, 36366), (627, 34162), (638, 33573), (682, 31407), (722, 29667), (899, 23826), (957, 22382), (1023, 20938), (1083, 19778), (1102, 19437), (1178, 18183), (1254, 17081), (1653, 12958), (1767, 12122), (1798, 11913), (1914, 11191), (2046, 10469), (2166, 9889), (2697, 7942), (3306, 6479), (3534, 6061), (3971, 5394)]