21443884

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{69623}}^1$

素因数の和:69645

約数の個数: 24

約数和(自身を含む): 46787328

約数和(自身を除く): 25343444

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 69623, 139246, 278492, 487361, 765853, 974722, 1531706, 1949444, 3063412, 5360971, 10721942, 21443884]

約数ペア:

[(1, 21443884), (2, 10721942), (4, 5360971), (7, 3063412), (11, 1949444), (14, 1531706), (22, 974722), (28, 765853), (44, 487361), (77, 278492), (154, 139246), (308, 69623)]