21492212

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^2\times {\mathrm{1451}}^1$

素因数の和:1508

約数の個数: 36

約数和(自身を含む): 44965536

約数和(自身を除く): 23473324

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 529, 644, 1058, 1451, 2116, 2902, 3703, 5804, 7406, 10157, 14812, 20314, 33373, 40628, 66746, 133492, 233611, 467222, 767579, 934444, 1535158, 3070316, 5373053, 10746106, 21492212]

約数ペア:

[(1, 21492212), (2, 10746106), (4, 5373053), (7, 3070316), (14, 1535158), (23, 934444), (28, 767579), (46, 467222), (92, 233611), (161, 133492), (322, 66746), (529, 40628), (644, 33373), (1058, 20314), (1451, 14812), (2116, 10157), (2902, 7406), (3703, 5804)]