21223004

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{1669}}^1$

素因数の和:1718

約数の個数: 36

約数和(自身を含む): 43065960

約数和(自身を除く): 21842956

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 289, 374, 578, 748, 1156, 1669, 3179, 3338, 6358, 6676, 12716, 18359, 28373, 36718, 56746, 73436, 113492, 312103, 482341, 624206, 964682, 1248412, 1929364, 5305751, 10611502, 21223004]

約数ペア:

[(1, 21223004), (2, 10611502), (4, 5305751), (11, 1929364), (17, 1248412), (22, 964682), (34, 624206), (44, 482341), (68, 312103), (187, 113492), (289, 73436), (374, 56746), (578, 36718), (748, 28373), (1156, 18359), (1669, 12716), (3179, 6676), (3338, 6358)]