2021892005

素因数分解:

$5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{387707}}^1$

素因数の和:387868

約数の個数: 16

約数和(自身を含む): 2791497600

約数和(自身を除く): 769605595

約数列:

[1, 5, 7, 35, 149, 745, 1043, 5215, 387707, 1938535, 2713949, 13569745, 57768343, 288841715, 404378401, 2021892005]

約数ペア:

[(1, 2021892005), (5, 404378401), (7, 288841715), (35, 57768343), (149, 13569745), (745, 2713949), (1043, 1938535), (5215, 387707)]