21146272

素因数分解:

$2^5\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1409}}^1$

素因数の和:1493

約数の個数: 48

約数和(自身を含む): 48323520

約数和(自身を除く): 27177248

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 67, 112, 134, 224, 268, 469, 536, 938, 1072, 1409, 1876, 2144, 2818, 3752, 5636, 7504, 9863, 11272, 15008, 19726, 22544, 39452, 45088, 78904, 94403, 157808, 188806, 315616, 377612, 660821, 755224, 1321642, 1510448, 2643284, 3020896, 5286568, 10573136, 21146272]

約数ペア:

[(1, 21146272), (2, 10573136), (4, 5286568), (7, 3020896), (8, 2643284), (14, 1510448), (16, 1321642), (28, 755224), (32, 660821), (56, 377612), (67, 315616), (112, 188806), (134, 157808), (224, 94403), (268, 78904), (469, 45088), (536, 39452), (938, 22544), (1072, 19726), (1409, 15008), (1876, 11272), (2144, 9863), (2818, 7504), (3752, 5636)]