21332608

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:273

約数の個数: 64

約数和(自身を含む): 47124000

約数和(自身を除く): 25791392

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 109, 128, 139, 176, 218, 278, 352, 436, 556, 704, 872, 1112, 1199, 1408, 1529, 1744, 2224, 2398, 3058, 3488, 4448, 4796, 6116, 6976, 8896, 9592, 12232, 13952, 15151, 17792, 19184, 24464, 30302, 38368, 48928, 60604, 76736, 97856, 121208, 153472, 166661, 195712, 242416, 333322, 484832, 666644, 969664, 1333288, 1939328, 2666576, 5333152, 10666304, 21332608]

約数ペア:

[(1, 21332608), (2, 10666304), (4, 5333152), (8, 2666576), (11, 1939328), (16, 1333288), (22, 969664), (32, 666644), (44, 484832), (64, 333322), (88, 242416), (109, 195712), (128, 166661), (139, 153472), (176, 121208), (218, 97856), (278, 76736), (352, 60604), (436, 48928), (556, 38368), (704, 30302), (872, 24464), (1112, 19184), (1199, 17792), (1408, 15151), (1529, 13952), (1744, 12232), (2224, 9592), (2398, 8896), (3058, 6976), (3488, 6116), (4448, 4796)]