21410902

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{1151}}^1$

素因数の和:1355

約数の個数: 16

約数和(自身を含む): 32845824

約数和(自身を除く): 11434922

約数列:

[1, 2, 71, 131, 142, 262, 1151, 2302, 9301, 18602, 81721, 150781, 163442, 301562, 10705451, 21410902]

約数ペア:

[(1, 21410902), (2, 10705451), (71, 301562), (131, 163442), (142, 150781), (262, 81721), (1151, 18602), (2302, 9301)]