21252450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{7457}}^1$

素因数の和:7491

約数の個数: 48

約数和(自身を含む): 55487520

約数和(自身を除く): 34235070

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 25, 30, 38, 50, 57, 75, 95, 114, 150, 190, 285, 475, 570, 950, 1425, 2850, 7457, 14914, 22371, 37285, 44742, 74570, 111855, 141683, 186425, 223710, 283366, 372850, 425049, 559275, 708415, 850098, 1118550, 1416830, 2125245, 3542075, 4250490, 7084150, 10626225, 21252450]

約数ペア:

[(1, 21252450), (2, 10626225), (3, 7084150), (5, 4250490), (6, 3542075), (10, 2125245), (15, 1416830), (19, 1118550), (25, 850098), (30, 708415), (38, 559275), (50, 425049), (57, 372850), (75, 283366), (95, 223710), (114, 186425), (150, 141683), (190, 111855), (285, 74570), (475, 44742), (570, 37285), (950, 22371), (1425, 14914), (2850, 7457)]