21790530

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12743}}^1$

素因数の和:12775

約数の個数: 48

約数和(自身を含む): 59641920

約数和(自身を除く): 37851390

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 342, 570, 855, 1710, 12743, 25486, 38229, 63715, 76458, 114687, 127430, 191145, 229374, 242117, 382290, 484234, 573435, 726351, 1146870, 1210585, 1452702, 2179053, 2421170, 3631755, 4358106, 7263510, 10895265, 21790530]

約数ペア:

[(1, 21790530), (2, 10895265), (3, 7263510), (5, 4358106), (6, 3631755), (9, 2421170), (10, 2179053), (15, 1452702), (18, 1210585), (19, 1146870), (30, 726351), (38, 573435), (45, 484234), (57, 382290), (90, 242117), (95, 229374), (114, 191145), (171, 127430), (190, 114687), (285, 76458), (342, 63715), (570, 38229), (855, 25486), (1710, 12743)]