21393150

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{127}}^1\times {\mathrm{1123}}^1$

素因数の和:1265

約数の個数: 48

約数和(自身を含む): 53520384

約数和(自身を除く): 32127234

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 127, 150, 254, 381, 635, 762, 1123, 1270, 1905, 2246, 3175, 3369, 3810, 5615, 6350, 6738, 9525, 11230, 16845, 19050, 28075, 33690, 56150, 84225, 142621, 168450, 285242, 427863, 713105, 855726, 1426210, 2139315, 3565525, 4278630, 7131050, 10696575, 21393150]

約数ペア:

[(1, 21393150), (2, 10696575), (3, 7131050), (5, 4278630), (6, 3565525), (10, 2139315), (15, 1426210), (25, 855726), (30, 713105), (50, 427863), (75, 285242), (127, 168450), (150, 142621), (254, 84225), (381, 56150), (635, 33690), (762, 28075), (1123, 19050), (1270, 16845), (1905, 11230), (2246, 9525), (3175, 6738), (3369, 6350), (3810, 5615)]