2100028420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{15000203}}^1$

素因数の和:15000219

約数の個数: 24

約数和(自身を含む): 5040068544

約数和(自身を除く): 2940040124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 15000203, 30000406, 60000812, 75001015, 105001421, 150002030, 210002842, 300004060, 420005684, 525007105, 1050014210, 2100028420]

約数ペア:

[(1, 2100028420), (2, 1050014210), (4, 525007105), (5, 420005684), (7, 300004060), (10, 210002842), (14, 150002030), (20, 105001421), (28, 75001015), (35, 60000812), (70, 30000406), (140, 15000203)]