21809964

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1301}}^1$

素因数の和:1446

約数の個数: 48

約数和(自身を含む): 55996416

約数和(自身を除く): 34186452

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 127, 132, 254, 381, 508, 762, 1301, 1397, 1524, 2602, 2794, 3903, 4191, 5204, 5588, 7806, 8382, 14311, 15612, 16764, 28622, 42933, 57244, 85866, 165227, 171732, 330454, 495681, 660908, 991362, 1817497, 1982724, 3634994, 5452491, 7269988, 10904982, 21809964]

約数ペア:

[(1, 21809964), (2, 10904982), (3, 7269988), (4, 5452491), (6, 3634994), (11, 1982724), (12, 1817497), (22, 991362), (33, 660908), (44, 495681), (66, 330454), (127, 171732), (132, 165227), (254, 85866), (381, 57244), (508, 42933), (762, 28622), (1301, 16764), (1397, 15612), (1524, 14311), (2602, 8382), (2794, 7806), (3903, 5588), (4191, 5204)]