21169456

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17183}}^1$

素因数の和:17209

約数の個数: 40

約数和(自身を含む): 51139584

約数和(自身を除く): 29970128

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 17183, 34366, 68732, 120281, 137464, 189013, 240562, 274928, 378026, 481124, 756052, 962248, 1323091, 1512104, 1924496, 2646182, 3024208, 5292364, 10584728, 21169456]

約数ペア:

[(1, 21169456), (2, 10584728), (4, 5292364), (7, 3024208), (8, 2646182), (11, 1924496), (14, 1512104), (16, 1323091), (22, 962248), (28, 756052), (44, 481124), (56, 378026), (77, 274928), (88, 240562), (112, 189013), (154, 137464), (176, 120281), (308, 68732), (616, 34366), (1232, 17183)]