21000718550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{179}}^1\times {\mathrm{335207}}^1$

素因数の和:335405

約数の個数: 48

約数和(自身を含む): 44891055360

約数和(自身を除く): 23890336810

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 179, 350, 358, 895, 1253, 1790, 2506, 4475, 6265, 8950, 12530, 31325, 62650, 335207, 670414, 1676035, 2346449, 3352070, 4692898, 8380175, 11732245, 16760350, 23464490, 58661225, 60002053, 117322450, 120004106, 300010265, 420014371, 600020530, 840028742, 1500051325, 2100071855, 3000102650, 4200143710, 10500359275, 21000718550]

約数ペア:

[(1, 21000718550), (2, 10500359275), (5, 4200143710), (7, 3000102650), (10, 2100071855), (14, 1500051325), (25, 840028742), (35, 600020530), (50, 420014371), (70, 300010265), (175, 120004106), (179, 117322450), (350, 60002053), (358, 58661225), (895, 23464490), (1253, 16760350), (1790, 11732245), (2506, 8380175), (4475, 4692898), (6265, 3352070), (8950, 2346449), (12530, 1676035), (31325, 670414), (62650, 335207)]