21167903078

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{911}}^1\times {\mathrm{12479}}^1$

素因数の和:13425

約数の個数: 48

約数和(自身を含む): 38925619200

約数和(自身を除く): 17757716122

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 911, 931, 1822, 1862, 6377, 12479, 12754, 17309, 24958, 34618, 44639, 87353, 89278, 121163, 174706, 237101, 242326, 474202, 611471, 848141, 1222942, 1659707, 1696282, 3319414, 11368369, 11617949, 22736738, 23235898, 79578583, 159157166, 215999011, 431998022, 557050081, 1114100162, 1511993077, 3023986154, 10583951539, 21167903078]

約数ペア:

[(1, 21167903078), (2, 10583951539), (7, 3023986154), (14, 1511993077), (19, 1114100162), (38, 557050081), (49, 431998022), (98, 215999011), (133, 159157166), (266, 79578583), (911, 23235898), (931, 22736738), (1822, 11617949), (1862, 11368369), (6377, 3319414), (12479, 1696282), (12754, 1659707), (17309, 1222942), (24958, 848141), (34618, 611471), (44639, 474202), (87353, 242326), (89278, 237101), (121163, 174706)]