21241094

素因数分解:

$2^1\times 7^1\times {\mathrm{991}}^1\times {\mathrm{1531}}^1$

素因数の和:2531

約数の個数: 16

約数和(自身を含む): 36473856

約数和(自身を除く): 15232762

約数列:

[1, 2, 7, 14, 991, 1531, 1982, 3062, 6937, 10717, 13874, 21434, 1517221, 3034442, 10620547, 21241094]

約数ペア:

[(1, 21241094), (2, 10620547), (7, 3034442), (14, 1517221), (991, 21434), (1531, 13874), (1982, 10717), (3062, 6937)]