21561382514

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1529393}}^1$

素因数の和:1529474

約数の個数: 32

約数和(自身を含む): 39641892480

約数和(自身を除く): 18080509966

約数列:

[1, 2, 7, 14, 19, 38, 53, 106, 133, 266, 371, 742, 1007, 2014, 7049, 14098, 1529393, 3058786, 10705751, 21411502, 29058467, 58116934, 81057829, 162115658, 203409269, 406818538, 567404803, 1134809606, 1540098751, 3080197502, 10780691257, 21561382514]

約数ペア:

[(1, 21561382514), (2, 10780691257), (7, 3080197502), (14, 1540098751), (19, 1134809606), (38, 567404803), (53, 406818538), (106, 203409269), (133, 162115658), (266, 81057829), (371, 58116934), (742, 29058467), (1007, 21411502), (2014, 10705751), (7049, 3058786), (14098, 1529393)]