21680792

素因数分解:

$2^3\times 7^1\times {\mathrm{191}}^1\times {\mathrm{2027}}^1$

素因数の和:2231

約数の個数: 32

約数和(自身を含む): 46725120

約数和(自身を除く): 25044328

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 191, 382, 764, 1337, 1528, 2027, 2674, 4054, 5348, 8108, 10696, 14189, 16216, 28378, 56756, 113512, 387157, 774314, 1548628, 2710099, 3097256, 5420198, 10840396, 21680792]

約数ペア:

[(1, 21680792), (2, 10840396), (4, 5420198), (7, 3097256), (8, 2710099), (14, 1548628), (28, 774314), (56, 387157), (191, 113512), (382, 56756), (764, 28378), (1337, 16216), (1528, 14189), (2027, 10696), (2674, 8108), (4054, 5348)]