21159804568

素因数分解:

$2^3\times 7^1\times {\mathrm{223}}^1\times {\mathrm{787}}^1\times {\mathrm{2153}}^1$

素因数の和:3176

約数の個数: 64

約数和(自身を含む): 45624821760

約数和(自身を除く): 24465017192

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 223, 446, 787, 892, 1561, 1574, 1784, 2153, 3122, 3148, 4306, 5509, 6244, 6296, 8612, 11018, 12488, 15071, 17224, 22036, 30142, 44072, 60284, 120568, 175501, 351002, 480119, 702004, 960238, 1228507, 1404008, 1694411, 1920476, 2457014, 3360833, 3388822, 3840952, 4914028, 6721666, 6777644, 9828056, 11860877, 13443332, 13555288, 23721754, 26886664, 47443508, 94887016, 377853653, 755707306, 1511414612, 2644975571, 3022829224, 5289951142, 10579902284, 21159804568]

約数ペア:

[(1, 21159804568), (2, 10579902284), (4, 5289951142), (7, 3022829224), (8, 2644975571), (14, 1511414612), (28, 755707306), (56, 377853653), (223, 94887016), (446, 47443508), (787, 26886664), (892, 23721754), (1561, 13555288), (1574, 13443332), (1784, 11860877), (2153, 9828056), (3122, 6777644), (3148, 6721666), (4306, 4914028), (5509, 3840952), (6244, 3388822), (6296, 3360833), (8612, 2457014), (11018, 1920476), (12488, 1694411), (15071, 1404008), (17224, 1228507), (22036, 960238), (30142, 702004), (44072, 480119), (60284, 351002), (120568, 175501)]