21087350

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{14543}}^1$

素因数の和:14584

約数の個数: 24

約数和(自身を含む): 40577760

約数和(自身を除く): 19490410

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 725, 1450, 14543, 29086, 72715, 145430, 363575, 421747, 727150, 843494, 2108735, 4217470, 10543675, 21087350]

約数ペア:

[(1, 21087350), (2, 10543675), (5, 4217470), (10, 2108735), (25, 843494), (29, 727150), (50, 421747), (58, 363575), (145, 145430), (290, 72715), (725, 29086), (1450, 14543)]