21192776

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{3299}}^1$

素因数の和:3389

約数の個数: 32

約数和(自身を含む): 43956000

約数和(自身を除く): 22763224

約数列:

[1, 2, 4, 8, 11, 22, 44, 73, 88, 146, 292, 584, 803, 1606, 3212, 3299, 6424, 6598, 13196, 26392, 36289, 72578, 145156, 240827, 290312, 481654, 963308, 1926616, 2649097, 5298194, 10596388, 21192776]

約数ペア:

[(1, 21192776), (2, 10596388), (4, 5298194), (8, 2649097), (11, 1926616), (22, 963308), (44, 481654), (73, 290312), (88, 240827), (146, 145156), (292, 72578), (584, 36289), (803, 26392), (1606, 13196), (3212, 6598), (3299, 6424)]