21891450

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{20849}}^1$

素因数の和:20871

約数の個数: 48

約数和(自身を含む): 62049600

約数和(自身を除く): 40158150

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, 20849, 41698, 62547, 104245, 125094, 145943, 208490, 291886, 312735, 437829, 521225, 625470, 729715, 875658, 1042450, 1459430, 1563675, 2189145, 3127350, 3648575, 4378290, 7297150, 10945725, 21891450]

約数ペア:

[(1, 21891450), (2, 10945725), (3, 7297150), (5, 4378290), (6, 3648575), (7, 3127350), (10, 2189145), (14, 1563675), (15, 1459430), (21, 1042450), (25, 875658), (30, 729715), (35, 625470), (42, 521225), (50, 437829), (70, 312735), (75, 291886), (105, 208490), (150, 145943), (175, 125094), (210, 104245), (350, 62547), (525, 41698), (1050, 20849)]