21084635

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{797}}^1$

素因数の和:863

約数の個数: 32

約数和(自身を含む): 30566592

約数和(自身を除く): 9481957

約数列:

[1, 5, 11, 13, 37, 55, 65, 143, 185, 407, 481, 715, 797, 2035, 2405, 3985, 5291, 8767, 10361, 26455, 29489, 43835, 51805, 113971, 147445, 324379, 383357, 569855, 1621895, 1916785, 4216927, 21084635]

約数ペア:

[(1, 21084635), (5, 4216927), (11, 1916785), (13, 1621895), (37, 569855), (55, 383357), (65, 324379), (143, 147445), (185, 113971), (407, 51805), (481, 43835), (715, 29489), (797, 26455), (2035, 10361), (2405, 8767), (3985, 5291)]