21753610

素因数分解:

$2^1\times 5^1\times {\mathrm{541}}^1\times {\mathrm{4021}}^1$

素因数の和:4569

約数の個数: 16

約数和(自身を含む): 39238632

約数和(自身を除く): 17485022

約数列:

[1, 2, 5, 10, 541, 1082, 2705, 4021, 5410, 8042, 20105, 40210, 2175361, 4350722, 10876805, 21753610]

約数ペア:

[(1, 21753610), (2, 10876805), (5, 4350722), (10, 2175361), (541, 40210), (1082, 20105), (2705, 8042), (4021, 5410)]