21088228

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{6329}}^1$

素因数の和:6364

約数の個数: 36

約数和(自身を含む): 45462060

約数和(自身を除く): 24373832

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 98, 119, 196, 238, 476, 833, 1666, 3332, 6329, 12658, 25316, 44303, 88606, 107593, 177212, 215186, 310121, 430372, 620242, 753151, 1240484, 1506302, 3012604, 5272057, 10544114, 21088228]

約数ペア:

[(1, 21088228), (2, 10544114), (4, 5272057), (7, 3012604), (14, 1506302), (17, 1240484), (28, 753151), (34, 620242), (49, 430372), (68, 310121), (98, 215186), (119, 177212), (196, 107593), (238, 88606), (476, 44303), (833, 25316), (1666, 12658), (3332, 6329)]