21910084

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{16649}}^1$

素因数の和:16707

約数の個数: 24

約数和(自身を含む): 44755200

約数和(自身を除く): 22845116

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 16649, 33298, 66596, 116543, 233086, 466172, 782503, 1565006, 3130012, 5477521, 10955042, 21910084]

約数ペア:

[(1, 21910084), (2, 10955042), (4, 5477521), (7, 3130012), (14, 1565006), (28, 782503), (47, 466172), (94, 233086), (188, 116543), (329, 66596), (658, 33298), (1316, 16649)]