2021209904

素因数分解:

$2^4\times 7^1\times {\mathrm{67}}^1\times {\mathrm{269351}}^1$

素因数の和:269433

約数の個数: 40

約数和(自身を含む): 4542352128

約数和(自身を除く): 2521142224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 67, 112, 134, 268, 469, 536, 938, 1072, 1876, 3752, 7504, 269351, 538702, 1077404, 1885457, 2154808, 3770914, 4309616, 7541828, 15083656, 18046517, 30167312, 36093034, 72186068, 126325619, 144372136, 252651238, 288744272, 505302476, 1010604952, 2021209904]

約数ペア:

[(1, 2021209904), (2, 1010604952), (4, 505302476), (7, 288744272), (8, 252651238), (14, 144372136), (16, 126325619), (28, 72186068), (56, 36093034), (67, 30167312), (112, 18046517), (134, 15083656), (268, 7541828), (469, 4309616), (536, 3770914), (938, 2154808), (1072, 1885457), (1876, 1077404), (3752, 538702), (7504, 269351)]