21746060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{9137}}^1$

素因数の和:9170

約数の個数: 48

約数和(自身を含む): 55266624

約数和(自身を除く): 33520564

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 9137, 18274, 36548, 45685, 63959, 91370, 127918, 155329, 182740, 255836, 310658, 319795, 621316, 639590, 776645, 1087303, 1279180, 1553290, 2174606, 3106580, 4349212, 5436515, 10873030, 21746060]

約数ペア:

[(1, 21746060), (2, 10873030), (4, 5436515), (5, 4349212), (7, 3106580), (10, 2174606), (14, 1553290), (17, 1279180), (20, 1087303), (28, 776645), (34, 639590), (35, 621316), (68, 319795), (70, 310658), (85, 255836), (119, 182740), (140, 155329), (170, 127918), (238, 91370), (340, 63959), (476, 45685), (595, 36548), (1190, 18274), (2380, 9137)]