21533008

素因数分解:

$2^4\times 7^1\times {\mathrm{192259}}^1$

素因数の和:192274

約数の個数: 20

約数和(自身を含む): 47680480

約数和(自身を除く): 26147472

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 192259, 384518, 769036, 1345813, 1538072, 2691626, 3076144, 5383252, 10766504, 21533008]

約数ペア:

[(1, 21533008), (2, 10766504), (4, 5383252), (7, 3076144), (8, 2691626), (14, 1538072), (16, 1345813), (28, 769036), (56, 384518), (112, 192259)]