21361128

素因数分解:

$2^3\times 3^1\times {\mathrm{911}}^1\times {\mathrm{977}}^1$

素因数の和:1897

約数の個数: 32

約数和(自身を含む): 53516160

約数和(自身を除く): 32155032

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 911, 977, 1822, 1954, 2733, 2931, 3644, 3908, 5466, 5862, 7288, 7816, 10932, 11724, 21864, 23448, 890047, 1780094, 2670141, 3560188, 5340282, 7120376, 10680564, 21361128]

約数ペア:

[(1, 21361128), (2, 10680564), (3, 7120376), (4, 5340282), (6, 3560188), (8, 2670141), (12, 1780094), (24, 890047), (911, 23448), (977, 21864), (1822, 11724), (1954, 10932), (2733, 7816), (2931, 7288), (3644, 5862), (3908, 5466)]