2021040910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{28872013}}^1$

素因数の和:28872027

約数の個数: 16

約数和(自身を含む): 4157570016

約数和(自身を除く): 2136529106

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 28872013, 57744026, 144360065, 202104091, 288720130, 404208182, 1010520455, 2021040910]

約数ペア:

[(1, 2021040910), (2, 1010520455), (5, 404208182), (7, 288720130), (10, 202104091), (14, 144360065), (35, 57744026), (70, 28872013)]