21270976

素因数分解:

$2^6\times {\mathrm{127}}^1\times {\mathrm{2617}}^1$

素因数の和:2756

約数の個数: 28

約数和(自身を含む): 42558208

約数和(自身を除く): 21287232

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 254, 508, 1016, 2032, 2617, 4064, 5234, 8128, 10468, 20936, 41872, 83744, 167488, 332359, 664718, 1329436, 2658872, 5317744, 10635488, 21270976]

約数ペア:

[(1, 21270976), (2, 10635488), (4, 5317744), (8, 2658872), (16, 1329436), (32, 664718), (64, 332359), (127, 167488), (254, 83744), (508, 41872), (1016, 20936), (2032, 10468), (2617, 8128), (4064, 5234)]