21412954

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{8783}}^1$

素因数の和:8861

約数の個数: 16

約数和(自身を含む): 34152192

約数和(自身を除く): 12739238

約数列:

[1, 2, 23, 46, 53, 106, 1219, 2438, 8783, 17566, 202009, 404018, 465499, 930998, 10706477, 21412954]

約数ペア:

[(1, 21412954), (2, 10706477), (23, 930998), (46, 465499), (53, 404018), (106, 202009), (1219, 17566), (2438, 8783)]