21647744

素因数分解:

$2^7\times {\mathrm{53}}^1\times {\mathrm{3191}}^1$

素因数の和:3258

約数の個数: 32

約数和(自身を含む): 43953840

約数和(自身を除く): 22306096

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 106, 128, 212, 424, 848, 1696, 3191, 3392, 6382, 6784, 12764, 25528, 51056, 102112, 169123, 204224, 338246, 408448, 676492, 1352984, 2705968, 5411936, 10823872, 21647744]

約数ペア:

[(1, 21647744), (2, 10823872), (4, 5411936), (8, 2705968), (16, 1352984), (32, 676492), (53, 408448), (64, 338246), (106, 204224), (128, 169123), (212, 102112), (424, 51056), (848, 25528), (1696, 12764), (3191, 6784), (3392, 6382)]