21532938

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{11923}}^1$

素因数の和:11978

約数の個数: 32

約数和(自身を含む): 50366976

約数和(自身を除く): 28834038

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 129, 258, 301, 602, 903, 1806, 11923, 23846, 35769, 71538, 83461, 166922, 250383, 500766, 512689, 1025378, 1538067, 3076134, 3588823, 7177646, 10766469, 21532938]

約数ペア:

[(1, 21532938), (2, 10766469), (3, 7177646), (6, 3588823), (7, 3076134), (14, 1538067), (21, 1025378), (42, 512689), (43, 500766), (86, 250383), (129, 166922), (258, 83461), (301, 71538), (602, 35769), (903, 23846), (1806, 11923)]