21183448

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{18517}}^1$

素因数の和:18547

約数の個数: 32

約数和(自身を含む): 46665360

約数和(自身を除く): 25481912

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 18517, 37034, 74068, 148136, 203687, 240721, 407374, 481442, 814748, 962884, 1629496, 1925768, 2647931, 5295862, 10591724, 21183448]

約数ペア:

[(1, 21183448), (2, 10591724), (4, 5295862), (8, 2647931), (11, 1925768), (13, 1629496), (22, 962884), (26, 814748), (44, 481442), (52, 407374), (88, 240721), (104, 203687), (143, 148136), (286, 74068), (572, 37034), (1144, 18517)]