21456732

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{3067}}^1$

素因数の和:3138

約数の個数: 48

約数和(自身を含む): 55665792

約数和(自身を除く): 34209060

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 53, 66, 106, 132, 159, 212, 318, 583, 636, 1166, 1749, 2332, 3067, 3498, 6134, 6996, 9201, 12268, 18402, 33737, 36804, 67474, 101211, 134948, 162551, 202422, 325102, 404844, 487653, 650204, 975306, 1788061, 1950612, 3576122, 5364183, 7152244, 10728366, 21456732]

約数ペア:

[(1, 21456732), (2, 10728366), (3, 7152244), (4, 5364183), (6, 3576122), (11, 1950612), (12, 1788061), (22, 975306), (33, 650204), (44, 487653), (53, 404844), (66, 325102), (106, 202422), (132, 162551), (159, 134948), (212, 101211), (318, 67474), (583, 36804), (636, 33737), (1166, 18402), (1749, 12268), (2332, 9201), (3067, 6996), (3498, 6134)]