16821776

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{239}}^1$

素因数の和:383

約数の個数: 40

約数和(自身を含む): 33747840

約数和(自身を除く): 16926064

約数列:

[1, 2, 4, 8, 16, 53, 83, 106, 166, 212, 239, 332, 424, 478, 664, 848, 956, 1328, 1912, 3824, 4399, 8798, 12667, 17596, 19837, 25334, 35192, 39674, 50668, 70384, 79348, 101336, 158696, 202672, 317392, 1051361, 2102722, 4205444, 8410888, 16821776]

約数ペア:

[(1, 16821776), (2, 8410888), (4, 4205444), (8, 2102722), (16, 1051361), (53, 317392), (83, 202672), (106, 158696), (166, 101336), (212, 79348), (239, 70384), (332, 50668), (424, 39674), (478, 35192), (664, 25334), (848, 19837), (956, 17596), (1328, 12667), (1912, 8798), (3824, 4399)]