21914816

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4447}}^1$

素因数の和:4477

約数の個数: 56

約数和(自身を含む): 54230016

約数和(自身を除く): 32315200

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 154, 176, 224, 308, 352, 448, 616, 704, 1232, 2464, 4447, 4928, 8894, 17788, 31129, 35576, 48917, 62258, 71152, 97834, 124516, 142304, 195668, 249032, 284608, 342419, 391336, 498064, 684838, 782672, 996128, 1369676, 1565344, 1992256, 2739352, 3130688, 5478704, 10957408, 21914816]

約数ペア:

[(1, 21914816), (2, 10957408), (4, 5478704), (7, 3130688), (8, 2739352), (11, 1992256), (14, 1565344), (16, 1369676), (22, 996128), (28, 782672), (32, 684838), (44, 498064), (56, 391336), (64, 342419), (77, 284608), (88, 249032), (112, 195668), (154, 142304), (176, 124516), (224, 97834), (308, 71152), (352, 62258), (448, 48917), (616, 35576), (704, 31129), (1232, 17788), (2464, 8894), (4447, 4928)]