21136536

素因数分解:

$2^3\times 3^2\times {\mathrm{163}}^1\times {\mathrm{1801}}^1$

素因数の和:1976

約数の個数: 48

約数和(自身を含む): 57627960

約数和(自身を除く): 36491424

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 163, 326, 489, 652, 978, 1304, 1467, 1801, 1956, 2934, 3602, 3912, 5403, 5868, 7204, 10806, 11736, 14408, 16209, 21612, 32418, 43224, 64836, 129672, 293563, 587126, 880689, 1174252, 1761378, 2348504, 2642067, 3522756, 5284134, 7045512, 10568268, 21136536]

約数ペア:

[(1, 21136536), (2, 10568268), (3, 7045512), (4, 5284134), (6, 3522756), (8, 2642067), (9, 2348504), (12, 1761378), (18, 1174252), (24, 880689), (36, 587126), (72, 293563), (163, 129672), (326, 64836), (489, 43224), (652, 32418), (978, 21612), (1304, 16209), (1467, 14408), (1801, 11736), (1956, 10806), (2934, 7204), (3602, 5868), (3912, 5403)]