21386039488

素因数分解:

$2^6\times {\mathrm{11}}^3\times {\mathrm{251057}}^1$

素因数の和:251102

約数の個数: 56

約数和(自身を含む): 46678711824

約数和(自身を除く): 25292672336

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 121, 176, 242, 352, 484, 704, 968, 1331, 1936, 2662, 3872, 5324, 7744, 10648, 21296, 42592, 85184, 251057, 502114, 1004228, 2008456, 2761627, 4016912, 5523254, 8033824, 11046508, 16067648, 22093016, 30377897, 44186032, 60755794, 88372064, 121511588, 176744128, 243023176, 334156867, 486046352, 668313734, 972092704, 1336627468, 1944185408, 2673254936, 5346509872, 10693019744, 21386039488]

約数ペア:

[(1, 21386039488), (2, 10693019744), (4, 5346509872), (8, 2673254936), (11, 1944185408), (16, 1336627468), (22, 972092704), (32, 668313734), (44, 486046352), (64, 334156867), (88, 243023176), (121, 176744128), (176, 121511588), (242, 88372064), (352, 60755794), (484, 44186032), (704, 30377897), (968, 22093016), (1331, 16067648), (1936, 11046508), (2662, 8033824), (3872, 5523254), (5324, 4016912), (7744, 2761627), (10648, 2008456), (21296, 1004228), (42592, 502114), (85184, 251057)]