21127204

素因数分解:

$2^2\times 7^1\times {\mathrm{337}}^1\times {\mathrm{2239}}^1$

素因数の和:2587

約数の個数: 24

約数和(自身を含む): 42398720

約数和(自身を除く): 21271516

約数列:

[1, 2, 4, 7, 14, 28, 337, 674, 1348, 2239, 2359, 4478, 4718, 8956, 9436, 15673, 31346, 62692, 754543, 1509086, 3018172, 5281801, 10563602, 21127204]

約数ペア:

[(1, 21127204), (2, 10563602), (4, 5281801), (7, 3018172), (14, 1509086), (28, 754543), (337, 62692), (674, 31346), (1348, 15673), (2239, 9436), (2359, 8956), (4478, 4718)]