21092416

素因数分解:

$2^6\times {\mathrm{139}}^1\times {\mathrm{2371}}^1$

素因数の和:2522

約数の個数: 28

約数和(自身を含む): 42174160

約数和(自身を除く): 21081744

約数列:

[1, 2, 4, 8, 16, 32, 64, 139, 278, 556, 1112, 2224, 2371, 4448, 4742, 8896, 9484, 18968, 37936, 75872, 151744, 329569, 659138, 1318276, 2636552, 5273104, 10546208, 21092416]

約数ペア:

[(1, 21092416), (2, 10546208), (4, 5273104), (8, 2636552), (16, 1318276), (32, 659138), (64, 329569), (139, 151744), (278, 75872), (556, 37936), (1112, 18968), (2224, 9484), (2371, 8896), (4448, 4742)]