21540448

素因数分解:

$2^5\times {\mathrm{181}}^1\times {\mathrm{3719}}^1$

素因数の和:3910

約数の個数: 24

約数和(自身を含む): 42653520

約数和(自身を除く): 21113072

約数列:

[1, 2, 4, 8, 16, 32, 181, 362, 724, 1448, 2896, 3719, 5792, 7438, 14876, 29752, 59504, 119008, 673139, 1346278, 2692556, 5385112, 10770224, 21540448]

約数ペア:

[(1, 21540448), (2, 10770224), (4, 5385112), (8, 2692556), (16, 1346278), (32, 673139), (181, 119008), (362, 59504), (724, 29752), (1448, 14876), (2896, 7438), (3719, 5792)]