21575168

素因数分解:

$2^9\times {\mathrm{42139}}^1$

素因数の和:42157

約数の個数: 20

約数和(自身を含む): 43109220

約数和(自身を除く): 21534052

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 42139, 84278, 168556, 337112, 674224, 1348448, 2696896, 5393792, 10787584, 21575168]

約数ペア:

[(1, 21575168), (2, 10787584), (4, 5393792), (8, 2696896), (16, 1348448), (32, 674224), (64, 337112), (128, 168556), (256, 84278), (512, 42139)]