21982772

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{5903}}^1$

素因数の和:5940

約数の個数: 36

約数和(自身を含む): 47113920

約数和(自身を除く): 25131148

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 532, 931, 1862, 3724, 5903, 11806, 23612, 41321, 82642, 112157, 165284, 224314, 289247, 448628, 578494, 785099, 1156988, 1570198, 3140396, 5495693, 10991386, 21982772]

約数ペア:

[(1, 21982772), (2, 10991386), (4, 5495693), (7, 3140396), (14, 1570198), (19, 1156988), (28, 785099), (38, 578494), (49, 448628), (76, 289247), (98, 224314), (133, 165284), (196, 112157), (266, 82642), (532, 41321), (931, 23612), (1862, 11806), (3724, 5903)]