21855008

素因数分解:

$2^5\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2269}}^1$

素因数の和:2329

約数の個数: 48

約数和(自身を含む): 50339520

約数和(自身を除く): 28484512

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 56, 86, 112, 172, 224, 301, 344, 602, 688, 1204, 1376, 2269, 2408, 4538, 4816, 9076, 9632, 15883, 18152, 31766, 36304, 63532, 72608, 97567, 127064, 195134, 254128, 390268, 508256, 682969, 780536, 1365938, 1561072, 2731876, 3122144, 5463752, 10927504, 21855008]

約数ペア:

[(1, 21855008), (2, 10927504), (4, 5463752), (7, 3122144), (8, 2731876), (14, 1561072), (16, 1365938), (28, 780536), (32, 682969), (43, 508256), (56, 390268), (86, 254128), (112, 195134), (172, 127064), (224, 97567), (301, 72608), (344, 63532), (602, 36304), (688, 31766), (1204, 18152), (1376, 15883), (2269, 9632), (2408, 9076), (4538, 4816)]