2105114025

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{211039}}^1$

素因数の和:211078

約数の個数: 48

約数和(自身を含む): 4187033600

約数和(自身を除く): 2081919575

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 75, 95, 105, 133, 175, 285, 399, 475, 525, 665, 1425, 1995, 3325, 9975, 211039, 633117, 1055195, 1477273, 3165585, 4009741, 4431819, 5275975, 7386365, 12029223, 15827925, 20048705, 22159095, 28068187, 36931825, 60146115, 84204561, 100243525, 110795475, 140340935, 300730575, 421022805, 701704675, 2105114025]

約数ペア:

[(1, 2105114025), (3, 701704675), (5, 421022805), (7, 300730575), (15, 140340935), (19, 110795475), (21, 100243525), (25, 84204561), (35, 60146115), (57, 36931825), (75, 28068187), (95, 22159095), (105, 20048705), (133, 15827925), (175, 12029223), (285, 7386365), (399, 5275975), (475, 4431819), (525, 4009741), (665, 3165585), (1425, 1477273), (1995, 1055195), (3325, 633117), (9975, 211039)]