21042344

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{71089}}^1$

素因数の和:71132

約数の個数: 16

約数和(自身を含む): 40521300

約数和(自身を除く): 19478956

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 71089, 142178, 284356, 568712, 2630293, 5260586, 10521172, 21042344]

約数ペア:

[(1, 21042344), (2, 10521172), (4, 5260586), (8, 2630293), (37, 568712), (74, 284356), (148, 142178), (296, 71089)]