21842750

素因数分解:

$2^1\times 5^3\times {\mathrm{41}}^1\times {\mathrm{2131}}^1$

素因数の和:2189

約数の個数: 32

約数和(自身を含む): 41906592

約数和(自身を除く): 20063842

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 125, 205, 250, 410, 1025, 2050, 2131, 4262, 5125, 10250, 10655, 21310, 53275, 87371, 106550, 174742, 266375, 436855, 532750, 873710, 2184275, 4368550, 10921375, 21842750]

約数ペア:

[(1, 21842750), (2, 10921375), (5, 4368550), (10, 2184275), (25, 873710), (41, 532750), (50, 436855), (82, 266375), (125, 174742), (205, 106550), (250, 87371), (410, 53275), (1025, 21310), (2050, 10655), (2131, 10250), (4262, 5125)]