2021820495

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{2437}}^1$

素因数の和:2576

約数の個数: 64

約数和(自身を含む): 3538805760

約数和(自身を除く): 1516985265

約数列:

[1, 3, 5, 15, 19, 41, 57, 71, 95, 123, 205, 213, 285, 355, 615, 779, 1065, 1349, 2337, 2437, 2911, 3895, 4047, 6745, 7311, 8733, 11685, 12185, 14555, 20235, 36555, 43665, 46303, 55309, 99917, 138909, 165927, 173027, 231515, 276545, 299751, 499585, 519081, 694545, 829635, 865135, 1498755, 1898423, 2595405, 3287513, 5695269, 7094107, 9492115, 9862539, 16437565, 21282321, 28476345, 35470535, 49312695, 106411605, 134788033, 404364099, 673940165, 2021820495]

約数ペア:

[(1, 2021820495), (3, 673940165), (5, 404364099), (15, 134788033), (19, 106411605), (41, 49312695), (57, 35470535), (71, 28476345), (95, 21282321), (123, 16437565), (205, 9862539), (213, 9492115), (285, 7094107), (355, 5695269), (615, 3287513), (779, 2595405), (1065, 1898423), (1349, 1498755), (2337, 865135), (2437, 829635), (2911, 694545), (3895, 519081), (4047, 499585), (6745, 299751), (7311, 276545), (8733, 231515), (11685, 173027), (12185, 165927), (14555, 138909), (20235, 99917), (36555, 55309), (43665, 46303)]