21497743876

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{10559}}^1$

素因数の和:10721

約数の個数: 96

約数和(自身を含む): 46835712000

約数和(自身を除く): 25337968124

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 43, 76, 86, 89, 133, 172, 178, 266, 301, 356, 532, 602, 623, 817, 1204, 1246, 1634, 1691, 2492, 3268, 3382, 3827, 5719, 6764, 7654, 10559, 11438, 11837, 15308, 21118, 22876, 23674, 26789, 42236, 47348, 53578, 72713, 73913, 107156, 145426, 147826, 200621, 290852, 295652, 401242, 454037, 508991, 802484, 908074, 939751, 1017982, 1404347, 1816148, 1879502, 2035964, 2808694, 3178259, 3759004, 5617388, 6356518, 6578257, 8626703, 12713036, 13156514, 17253406, 17855269, 26313028, 34506812, 35710538, 40409293, 60386921, 71421076, 80818586, 120773842, 124986883, 161637172, 241547684, 249973766, 282865051, 499947532, 565730102, 767776567, 1131460204, 1535553134, 3071106268, 5374435969, 10748871938, 21497743876]

約数ペア:

[(1, 21497743876), (2, 10748871938), (4, 5374435969), (7, 3071106268), (14, 1535553134), (19, 1131460204), (28, 767776567), (38, 565730102), (43, 499947532), (76, 282865051), (86, 249973766), (89, 241547684), (133, 161637172), (172, 124986883), (178, 120773842), (266, 80818586), (301, 71421076), (356, 60386921), (532, 40409293), (602, 35710538), (623, 34506812), (817, 26313028), (1204, 17855269), (1246, 17253406), (1634, 13156514), (1691, 12713036), (2492, 8626703), (3268, 6578257), (3382, 6356518), (3827, 5617388), (5719, 3759004), (6764, 3178259), (7654, 2808694), (10559, 2035964), (11438, 1879502), (11837, 1816148), (15308, 1404347), (21118, 1017982), (22876, 939751), (23674, 908074), (26789, 802484), (42236, 508991), (47348, 454037), (53578, 401242), (72713, 295652), (73913, 290852), (107156, 200621), (145426, 147826)]