21135450

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{20129}}^1$

素因数の和:20151

約数の個数: 48

約数和(自身を含む): 59906880

約数和(自身を除く): 38771430

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 150, 175, 210, 350, 525, 1050, 20129, 40258, 60387, 100645, 120774, 140903, 201290, 281806, 301935, 422709, 503225, 603870, 704515, 845418, 1006450, 1409030, 1509675, 2113545, 3019350, 3522575, 4227090, 7045150, 10567725, 21135450]

約数ペア:

[(1, 21135450), (2, 10567725), (3, 7045150), (5, 4227090), (6, 3522575), (7, 3019350), (10, 2113545), (14, 1509675), (15, 1409030), (21, 1006450), (25, 845418), (30, 704515), (35, 603870), (42, 503225), (50, 422709), (70, 301935), (75, 281806), (105, 201290), (150, 140903), (175, 120774), (210, 100645), (350, 60387), (525, 40258), (1050, 20129)]