21758268

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{13633}}^1$

素因数の和:13666

約数の個数: 48

約数和(自身を含む): 61080320

約数和(自身を除く): 39322052

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 114, 133, 228, 266, 399, 532, 798, 1596, 13633, 27266, 40899, 54532, 81798, 95431, 163596, 190862, 259027, 286293, 381724, 518054, 572586, 777081, 1036108, 1145172, 1554162, 1813189, 3108324, 3626378, 5439567, 7252756, 10879134, 21758268]

約数ペア:

[(1, 21758268), (2, 10879134), (3, 7252756), (4, 5439567), (6, 3626378), (7, 3108324), (12, 1813189), (14, 1554162), (19, 1145172), (21, 1036108), (28, 777081), (38, 572586), (42, 518054), (57, 381724), (76, 286293), (84, 259027), (114, 190862), (133, 163596), (228, 95431), (266, 81798), (399, 54532), (532, 40899), (798, 27266), (1596, 13633)]