21140536

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{293}}^1\times {\mathrm{311}}^1$

素因数の和:639

約数の個数: 32

約数和(自身を含む): 41277600

約数和(自身を除く): 20137064

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 293, 311, 586, 622, 1172, 1244, 2344, 2488, 8497, 9019, 16994, 18038, 33988, 36076, 67976, 72152, 91123, 182246, 364492, 728984, 2642567, 5285134, 10570268, 21140536]

約数ペア:

[(1, 21140536), (2, 10570268), (4, 5285134), (8, 2642567), (29, 728984), (58, 364492), (116, 182246), (232, 91123), (293, 72152), (311, 67976), (586, 36076), (622, 33988), (1172, 18038), (1244, 16994), (2344, 9019), (2488, 8497)]