21509292

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{13477}}^1$

素因数の和:13510

約数の個数: 48

約数和(自身を含む): 60381440

約数和(自身を除く): 38872148

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, 13477, 26954, 40431, 53908, 80862, 94339, 161724, 188678, 256063, 283017, 377356, 512126, 566034, 768189, 1024252, 1132068, 1536378, 1792441, 3072756, 3584882, 5377323, 7169764, 10754646, 21509292]

約数ペア:

[(1, 21509292), (2, 10754646), (3, 7169764), (4, 5377323), (6, 3584882), (7, 3072756), (12, 1792441), (14, 1536378), (19, 1132068), (21, 1024252), (28, 768189), (38, 566034), (42, 512126), (57, 377356), (76, 283017), (84, 256063), (114, 188678), (133, 161724), (228, 94339), (266, 80862), (399, 53908), (532, 40431), (798, 26954), (1596, 13477)]