2021988830

素因数分解:

$2^1\times 5^1\times {\mathrm{10691}}^1\times {\mathrm{18913}}^1$

素因数の和:29611

約数の個数: 16

約数和(自身を含む): 3640112784

約数和(自身を除く): 1618123954

約数列:

[1, 2, 5, 10, 10691, 18913, 21382, 37826, 53455, 94565, 106910, 189130, 202198883, 404397766, 1010994415, 2021988830]

約数ペア:

[(1, 2021988830), (2, 1010994415), (5, 404397766), (10, 202198883), (10691, 189130), (18913, 106910), (21382, 94565), (37826, 53455)]