21457792

素因数分解:

$2^7\times {\mathrm{53}}^1\times {\mathrm{3163}}^1$

素因数の和:3230

約数の個数: 32

約数和(自身を含む): 43568280

約数和(自身を除く): 22110488

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 106, 128, 212, 424, 848, 1696, 3163, 3392, 6326, 6784, 12652, 25304, 50608, 101216, 167639, 202432, 335278, 404864, 670556, 1341112, 2682224, 5364448, 10728896, 21457792]

約数ペア:

[(1, 21457792), (2, 10728896), (4, 5364448), (8, 2682224), (16, 1341112), (32, 670556), (53, 404864), (64, 335278), (106, 202432), (128, 167639), (212, 101216), (424, 50608), (848, 25304), (1696, 12652), (3163, 6784), (3392, 6326)]