21893272

素因数分解:

$2^3\times {\mathrm{281}}^1\times {\mathrm{9739}}^1$

素因数の和:10026

約数の個数: 16

約数和(自身を含む): 41200200

約数和(自身を除く): 19306928

約数列:

[1, 2, 4, 8, 281, 562, 1124, 2248, 9739, 19478, 38956, 77912, 2736659, 5473318, 10946636, 21893272]

約数ペア:

[(1, 21893272), (2, 10946636), (4, 5473318), (8, 2736659), (281, 77912), (562, 38956), (1124, 19478), (2248, 9739)]