21660544

素因数分解:

$2^7\times {\mathrm{197}}^1\times {\mathrm{859}}^1$

素因数の和:1070

約数の個数: 32

約数和(自身を含む): 43421400

約数和(自身を除く): 21760856

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 197, 394, 788, 859, 1576, 1718, 3152, 3436, 6304, 6872, 12608, 13744, 25216, 27488, 54976, 109952, 169223, 338446, 676892, 1353784, 2707568, 5415136, 10830272, 21660544]

約数ペア:

[(1, 21660544), (2, 10830272), (4, 5415136), (8, 2707568), (16, 1353784), (32, 676892), (64, 338446), (128, 169223), (197, 109952), (394, 54976), (788, 27488), (859, 25216), (1576, 13744), (1718, 12608), (3152, 6872), (3436, 6304)]