21163492

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{5683}}^1$

素因数の和:5720

約数の個数: 36

約数和(自身を含む): 45358320

約数和(自身を除く): 24194828

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 532, 931, 1862, 3724, 5683, 11366, 22732, 39781, 79562, 107977, 159124, 215954, 278467, 431908, 556934, 755839, 1113868, 1511678, 3023356, 5290873, 10581746, 21163492]

約数ペア:

[(1, 21163492), (2, 10581746), (4, 5290873), (7, 3023356), (14, 1511678), (19, 1113868), (28, 755839), (38, 556934), (49, 431908), (76, 278467), (98, 215954), (133, 159124), (196, 107977), (266, 79562), (532, 39781), (931, 22732), (1862, 11366), (3724, 5683)]