21011350

素因数分解:

$2^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{8941}}^1$

素因数の和:9000

約数の個数: 24

約数和(自身を含む): 39917088

約数和(自身を除く): 18905738

約数列:

[1, 2, 5, 10, 25, 47, 50, 94, 235, 470, 1175, 2350, 8941, 17882, 44705, 89410, 223525, 420227, 447050, 840454, 2101135, 4202270, 10505675, 21011350]

約数ペア:

[(1, 21011350), (2, 10505675), (5, 4202270), (10, 2101135), (25, 840454), (47, 447050), (50, 420227), (94, 223525), (235, 89410), (470, 44705), (1175, 17882), (2350, 8941)]