21889574624

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{84691}}^1$

素因数の和:84939

約数の個数: 48

約数和(自身を含む): 44370816336

約数和(自身を除く): 22481241712

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 197, 328, 394, 656, 788, 1312, 1576, 3152, 6304, 8077, 16154, 32308, 64616, 84691, 129232, 169382, 258464, 338764, 677528, 1355056, 2710112, 3472331, 6944662, 13889324, 16684127, 27778648, 33368254, 55557296, 66736508, 111114592, 133473016, 266946032, 533892064, 684049207, 1368098414, 2736196828, 5472393656, 10944787312, 21889574624]

約数ペア:

[(1, 21889574624), (2, 10944787312), (4, 5472393656), (8, 2736196828), (16, 1368098414), (32, 684049207), (41, 533892064), (82, 266946032), (164, 133473016), (197, 111114592), (328, 66736508), (394, 55557296), (656, 33368254), (788, 27778648), (1312, 16684127), (1576, 13889324), (3152, 6944662), (6304, 3472331), (8077, 2710112), (16154, 1355056), (32308, 677528), (64616, 338764), (84691, 258464), (129232, 169382)]