21837802

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1549}}^1$

素因数の和:1630

約数の個数: 32

約数和(自身を含む): 40176000

約数和(自身を除く): 18338198

約数列:

[1, 2, 7, 14, 19, 38, 53, 106, 133, 266, 371, 742, 1007, 1549, 2014, 3098, 7049, 10843, 14098, 21686, 29431, 58862, 82097, 164194, 206017, 412034, 574679, 1149358, 1559843, 3119686, 10918901, 21837802]

約数ペア:

[(1, 21837802), (2, 10918901), (7, 3119686), (14, 1559843), (19, 1149358), (38, 574679), (53, 412034), (106, 206017), (133, 164194), (266, 82097), (371, 58862), (742, 29431), (1007, 21686), (1549, 14098), (2014, 10843), (3098, 7049)]