21506464

素因数分解:

$2^5\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1433}}^1$

素因数の和:1517

約数の個数: 48

約数和(自身を含む): 49146048

約数和(自身を除く): 27639584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 67, 112, 134, 224, 268, 469, 536, 938, 1072, 1433, 1876, 2144, 2866, 3752, 5732, 7504, 10031, 11464, 15008, 20062, 22928, 40124, 45856, 80248, 96011, 160496, 192022, 320992, 384044, 672077, 768088, 1344154, 1536176, 2688308, 3072352, 5376616, 10753232, 21506464]

約数ペア:

[(1, 21506464), (2, 10753232), (4, 5376616), (7, 3072352), (8, 2688308), (14, 1536176), (16, 1344154), (28, 768088), (32, 672077), (56, 384044), (67, 320992), (112, 192022), (134, 160496), (224, 96011), (268, 80248), (469, 45856), (536, 40124), (938, 22928), (1072, 20062), (1433, 15008), (1876, 11464), (2144, 10031), (2866, 7504), (3752, 5732)]