21431744

素因数分解:

$2^6\times {\mathrm{257}}^1\times {\mathrm{1303}}^1$

素因数の和:1572

約数の個数: 28

約数和(自身を含む): 42726864

約数和(自身を除く): 21295120

約数列:

[1, 2, 4, 8, 16, 32, 64, 257, 514, 1028, 1303, 2056, 2606, 4112, 5212, 8224, 10424, 16448, 20848, 41696, 83392, 334871, 669742, 1339484, 2678968, 5357936, 10715872, 21431744]

約数ペア:

[(1, 21431744), (2, 10715872), (4, 5357936), (8, 2678968), (16, 1339484), (32, 669742), (64, 334871), (257, 83392), (514, 41696), (1028, 20848), (1303, 16448), (2056, 10424), (2606, 8224), (4112, 5212)]