21273824

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4649}}^1$

素因数の和:4683

約数の個数: 48

約数和(自身を含む): 49215600

約数和(自身を除く): 27941776

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 88, 104, 143, 176, 208, 286, 352, 416, 572, 1144, 2288, 4576, 4649, 9298, 18596, 37192, 51139, 60437, 74384, 102278, 120874, 148768, 204556, 241748, 409112, 483496, 664807, 818224, 966992, 1329614, 1636448, 1933984, 2659228, 5318456, 10636912, 21273824]

約数ペア:

[(1, 21273824), (2, 10636912), (4, 5318456), (8, 2659228), (11, 1933984), (13, 1636448), (16, 1329614), (22, 966992), (26, 818224), (32, 664807), (44, 483496), (52, 409112), (88, 241748), (104, 204556), (143, 148768), (176, 120874), (208, 102278), (286, 74384), (352, 60437), (416, 51139), (572, 37192), (1144, 18596), (2288, 9298), (4576, 4649)]