21506532

素因数分解:

$2^2\times 3^1\times {\mathrm{131}}^1\times {\mathrm{13681}}^1$

素因数の和:13819

約数の個数: 24

約数和(自身を含む): 50568672

約数和(自身を除く): 29062140

約数列:

[1, 2, 3, 4, 6, 12, 131, 262, 393, 524, 786, 1572, 13681, 27362, 41043, 54724, 82086, 164172, 1792211, 3584422, 5376633, 7168844, 10753266, 21506532]

約数ペア:

[(1, 21506532), (2, 10753266), (3, 7168844), (4, 5376633), (6, 3584422), (12, 1792211), (131, 164172), (262, 82086), (393, 54724), (524, 41043), (786, 27362), (1572, 13681)]