21013448

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{20051}}^1$

素因数の和:20188

約数の個数: 16

約数和(自身を含む): 39702960

約数和(自身を除く): 18689512

約数列:

[1, 2, 4, 8, 131, 262, 524, 1048, 20051, 40102, 80204, 160408, 2626681, 5253362, 10506724, 21013448]

約数ペア:

[(1, 21013448), (2, 10506724), (4, 5253362), (8, 2626681), (131, 160408), (262, 80204), (524, 40102), (1048, 20051)]