21101312

素因数分解:

$2^8\times {\mathrm{139}}^1\times {\mathrm{593}}^1$

素因数の和:748

約数の個数: 36

約数和(自身を含む): 42494760

約数和(自身を除く): 21393448

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 139, 256, 278, 556, 593, 1112, 1186, 2224, 2372, 4448, 4744, 8896, 9488, 17792, 18976, 35584, 37952, 75904, 82427, 151808, 164854, 329708, 659416, 1318832, 2637664, 5275328, 10550656, 21101312]

約数ペア:

[(1, 21101312), (2, 10550656), (4, 5275328), (8, 2637664), (16, 1318832), (32, 659416), (64, 329708), (128, 164854), (139, 151808), (256, 82427), (278, 75904), (556, 37952), (593, 35584), (1112, 18976), (1186, 17792), (2224, 9488), (2372, 8896), (4448, 4744)]